221344760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 256

約数和(自身を含む): 671328000

約数和(自身を除く): 449983240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 49, 52, 56, 65, 68, 70, 73, 85, 91, 98, 104, 119, 130, 136, 140, 146, 170, 182, 196, 221, 238, 245, 260, 280, 292, 340, 343, 364, 365, 392, 442, 455, 476, 490, 511, 520, 584, 595, 637, 680, 686, 728, 730, 833, 884, 910, 949, 952, 980, 1022, 1105, 1190, 1241, 1274, 1372, 1460, 1547, 1666, 1715, 1768, 1820, 1898, 1960, 2044, 2210, 2380, 2482, 2548, 2555, 2744, 2920, 3094, 3185, 3332, 3430, 3577, 3640, 3796, 4088, 4165, 4420, 4459, 4745, 4760, 4964, 5096, 5110, 5831, 6188, 6205, 6370, 6643, 6664, 6860, 7154, 7592, 7735, 8330, 8687, 8840, 8918, 9490, 9928, 10220, 10829, 11662, 12376, 12410, 12740, 13286, 13720, 14308, 15470, 16133, 16660, 17374, 17836, 17885, 18980, 20440, 21658, 22295, 23324, 24820, 25039, 25480, 26572, 28616, 29155, 30940, 32266, 33215, 33320, 34748, 35672, 35770, 37960, 43316, 43435, 44590, 46501, 46648, 49640, 50078, 53144, 54145, 58310, 60809, 61880, 64532, 66430, 69496, 71540, 75803, 80665, 86632, 86870, 89180, 93002, 100156, 108290, 112931, 116620, 121618, 125195, 129064, 132860, 143080, 151606, 161330, 173740, 178360, 186004, 200312, 216580, 225862, 232505, 233240, 243236, 250390, 265720, 303212, 304045, 322660, 325507, 347480, 372008, 379015, 425663, 433160, 451724, 465010, 486472, 500780, 564655, 606424, 608090, 645320, 651014, 758030, 790517, 851326, 903448, 930020, 1001560, 1129310, 1216180, 1302028, 1516060, 1581034, 1627535, 1702652, 1860040, 2128315, 2258620, 2432360, 2604056, 3032120, 3162068, 3255070, 3405304, 3952585, 4256630, 4517240, 5533619, 6324136, 6510140, 7905170, 8513260, 11067238, 13020280, 15810340, 17026520, 22134476, 27668095, 31620680, 44268952, 55336190, 110672380, 221344760]

約数ペア:

[(1, 221344760), (2, 110672380), (4, 55336190), (5, 44268952), (7, 31620680), (8, 27668095), (10, 22134476), (13, 17026520), (14, 15810340), (17, 13020280), (20, 11067238), (26, 8513260), (28, 7905170), (34, 6510140), (35, 6324136), (40, 5533619), (49, 4517240), (52, 4256630), (56, 3952585), (65, 3405304), (68, 3255070), (70, 3162068), (73, 3032120), (85, 2604056), (91, 2432360), (98, 2258620), (104, 2128315), (119, 1860040), (130, 1702652), (136, 1627535), (140, 1581034), (146, 1516060), (170, 1302028), (182, 1216180), (196, 1129310), (221, 1001560), (238, 930020), (245, 903448), (260, 851326), (280, 790517), (292, 758030), (340, 651014), (343, 645320), (364, 608090), (365, 606424), (392, 564655), (442, 500780), (455, 486472), (476, 465010), (490, 451724), (511, 433160), (520, 425663), (584, 379015), (595, 372008), (637, 347480), (680, 325507), (686, 322660), (728, 304045), (730, 303212), (833, 265720), (884, 250390), (910, 243236), (949, 233240), (952, 232505), (980, 225862), (1022, 216580), (1105, 200312), (1190, 186004), (1241, 178360), (1274, 173740), (1372, 161330), (1460, 151606), (1547, 143080), (1666, 132860), (1715, 129064), (1768, 125195), (1820, 121618), (1898, 116620), (1960, 112931), (2044, 108290), (2210, 100156), (2380, 93002), (2482, 89180), (2548, 86870), (2555, 86632), (2744, 80665), (2920, 75803), (3094, 71540), (3185, 69496), (3332, 66430), (3430, 64532), (3577, 61880), (3640, 60809), (3796, 58310), (4088, 54145), (4165, 53144), (4420, 50078), (4459, 49640), (4745, 46648), (4760, 46501), (4964, 44590), (5096, 43435), (5110, 43316), (5831, 37960), (6188, 35770), (6205, 35672), (6370, 34748), (6643, 33320), (6664, 33215), (6860, 32266), (7154, 30940), (7592, 29155), (7735, 28616), (8330, 26572), (8687, 25480), (8840, 25039), (8918, 24820), (9490, 23324), (9928, 22295), (10220, 21658), (10829, 20440), (11662, 18980), (12376, 17885), (12410, 17836), (12740, 17374), (13286, 16660), (13720, 16133), (14308, 15470)]