638409103640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1\times {\mathrm{1693}}^1$

素因数の和:2554

約数の個数: 256

約数和(自身を含む): 1804111626240

約数和(自身を除く): 1165702522600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 191, 220, 280, 308, 382, 385, 440, 616, 641, 764, 770, 955, 1282, 1337, 1528, 1540, 1693, 1910, 2101, 2564, 2674, 3080, 3205, 3386, 3820, 4202, 4487, 5128, 5348, 6410, 6685, 6772, 7051, 7640, 8404, 8465, 8974, 10505, 10696, 11851, 12820, 13370, 13544, 14102, 14707, 16808, 16930, 17948, 18623, 21010, 22435, 23702, 25640, 26740, 28204, 29414, 33860, 35255, 35896, 37246, 42020, 44870, 47404, 49357, 53480, 56408, 58828, 59255, 67720, 70510, 73535, 74492, 84040, 89740, 93115, 94808, 98714, 117656, 118510, 122431, 130361, 141020, 147070, 148984, 179480, 186230, 197428, 237020, 244862, 246785, 260722, 282040, 294140, 323363, 372460, 394856, 474040, 489724, 493570, 521444, 588280, 612155, 646726, 651805, 744920, 857017, 979448, 987140, 1042888, 1085213, 1224310, 1293452, 1303610, 1346741, 1616815, 1714034, 1974280, 2170426, 2263541, 2448620, 2586904, 2607220, 2693482, 3233630, 3428068, 3556993, 4285085, 4340852, 4527082, 4897240, 5214440, 5386964, 5426065, 6467260, 6733705, 6856136, 7113986, 7596491, 8570170, 8681704, 9054164, 9427187, 10773928, 10852130, 11317705, 11937343, 12934520, 13467410, 14227972, 15192982, 17140340, 17784965, 18108328, 18854374, 21704260, 22635410, 23874686, 24898951, 26934820, 28455944, 30385964, 34280680, 35569930, 37708748, 37982455, 43408520, 45270820, 47135935, 47749372, 49797902, 53869640, 59686715, 60771928, 71139860, 75417496, 75964910, 83561401, 90541640, 94271870, 95498744, 99595804, 119373430, 124494755, 142279720, 151929820, 167122802, 188543740, 199191608, 207275683, 238746860, 248989510, 303859640, 334245604, 377087480, 414551366, 417807005, 477493720, 497979020, 668491208, 829102732, 835614010, 995958040, 1036378415, 1450929781, 1658205464, 1671228020, 2072756830, 2280032513, 2901859562, 3342456040, 4145513660, 4560065026, 5803719124, 7254648905, 8291027320, 9120130052, 11400162565, 11607438248, 14509297810, 15960227591, 18240260104, 22800325130, 29018595620, 31920455182, 45600650260, 58037191240, 63840910364, 79801137955, 91201300520, 127681820728, 159602275910, 319204551820, 638409103640]

約数ペア:

[(1, 638409103640), (2, 319204551820), (4, 159602275910), (5, 127681820728), (7, 91201300520), (8, 79801137955), (10, 63840910364), (11, 58037191240), (14, 45600650260), (20, 31920455182), (22, 29018595620), (28, 22800325130), (35, 18240260104), (40, 15960227591), (44, 14509297810), (55, 11607438248), (56, 11400162565), (70, 9120130052), (77, 8291027320), (88, 7254648905), (110, 5803719124), (140, 4560065026), (154, 4145513660), (191, 3342456040), (220, 2901859562), (280, 2280032513), (308, 2072756830), (382, 1671228020), (385, 1658205464), (440, 1450929781), (616, 1036378415), (641, 995958040), (764, 835614010), (770, 829102732), (955, 668491208), (1282, 497979020), (1337, 477493720), (1528, 417807005), (1540, 414551366), (1693, 377087480), (1910, 334245604), (2101, 303859640), (2564, 248989510), (2674, 238746860), (3080, 207275683), (3205, 199191608), (3386, 188543740), (3820, 167122802), (4202, 151929820), (4487, 142279720), (5128, 124494755), (5348, 119373430), (6410, 99595804), (6685, 95498744), (6772, 94271870), (7051, 90541640), (7640, 83561401), (8404, 75964910), (8465, 75417496), (8974, 71139860), (10505, 60771928), (10696, 59686715), (11851, 53869640), (12820, 49797902), (13370, 47749372), (13544, 47135935), (14102, 45270820), (14707, 43408520), (16808, 37982455), (16930, 37708748), (17948, 35569930), (18623, 34280680), (21010, 30385964), (22435, 28455944), (23702, 26934820), (25640, 24898951), (26740, 23874686), (28204, 22635410), (29414, 21704260), (33860, 18854374), (35255, 18108328), (35896, 17784965), (37246, 17140340), (42020, 15192982), (44870, 14227972), (47404, 13467410), (49357, 12934520), (53480, 11937343), (56408, 11317705), (58828, 10852130), (59255, 10773928), (67720, 9427187), (70510, 9054164), (73535, 8681704), (74492, 8570170), (84040, 7596491), (89740, 7113986), (93115, 6856136), (94808, 6733705), (98714, 6467260), (117656, 5426065), (118510, 5386964), (122431, 5214440), (130361, 4897240), (141020, 4527082), (147070, 4340852), (148984, 4285085), (179480, 3556993), (186230, 3428068), (197428, 3233630), (237020, 2693482), (244862, 2607220), (246785, 2586904), (260722, 2448620), (282040, 2263541), (294140, 2170426), (323363, 1974280), (372460, 1714034), (394856, 1616815), (474040, 1346741), (489724, 1303610), (493570, 1293452), (521444, 1224310), (588280, 1085213), (612155, 1042888), (646726, 987140), (651805, 979448), (744920, 857017)]