397872540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:226

約数の個数: 288

約数和(自身を含む): 1415856960

約数和(自身を除く): 1017984420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 90, 95, 108, 114, 117, 130, 135, 156, 157, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 314, 342, 351, 361, 380, 390, 468, 471, 494, 513, 540, 570, 585, 628, 684, 702, 722, 741, 780, 785, 855, 942, 988, 1026, 1083, 1140, 1170, 1235, 1404, 1413, 1444, 1482, 1570, 1710, 1755, 1805, 1884, 2041, 2052, 2166, 2223, 2340, 2355, 2470, 2565, 2826, 2964, 2983, 3140, 3249, 3420, 3510, 3610, 3705, 4082, 4239, 4332, 4446, 4693, 4710, 4940, 5130, 5415, 5652, 5966, 6123, 6498, 6669, 7020, 7065, 7220, 7410, 8164, 8478, 8892, 8949, 9386, 9420, 9747, 10205, 10260, 10830, 11115, 11932, 12246, 12996, 13338, 14079, 14130, 14820, 14915, 16245, 16956, 17898, 18369, 18772, 19494, 20410, 21195, 21660, 22230, 23465, 24492, 26676, 26847, 28158, 28260, 29830, 30615, 32490, 33345, 35796, 36738, 38779, 38988, 40820, 42237, 42390, 44460, 44745, 46930, 48735, 53694, 55107, 56316, 56677, 59660, 61230, 64980, 66690, 70395, 73476, 77558, 80541, 84474, 84780, 89490, 91845, 93860, 97470, 107388, 110214, 113354, 116337, 122460, 126711, 133380, 134235, 140790, 155116, 161082, 168948, 170031, 178980, 183690, 193895, 194940, 211185, 220428, 226708, 232674, 253422, 268470, 275535, 281580, 283385, 322164, 340062, 349011, 367380, 387790, 402705, 422370, 465348, 506844, 510093, 536940, 551070, 566770, 581685, 633555, 680124, 698022, 736801, 775580, 805410, 844740, 850155, 1020186, 1047033, 1102140, 1133540, 1163370, 1267110, 1396044, 1473602, 1530279, 1610820, 1700310, 1745055, 2040372, 2094066, 2210403, 2326740, 2534220, 2550465, 2947204, 3060558, 3400620, 3490110, 3684005, 4188132, 4420806, 5100930, 5235165, 6121116, 6631209, 6980220, 7368010, 7651395, 8841612, 10201860, 10470330, 11052015, 13262418, 14736020, 15302790, 19893627, 20940660, 22104030, 26524836, 30605580, 33156045, 39787254, 44208060, 66312090, 79574508, 99468135, 132624180, 198936270, 397872540]

約数ペア:

[(1, 397872540), (2, 198936270), (3, 132624180), (4, 99468135), (5, 79574508), (6, 66312090), (9, 44208060), (10, 39787254), (12, 33156045), (13, 30605580), (15, 26524836), (18, 22104030), (19, 20940660), (20, 19893627), (26, 15302790), (27, 14736020), (30, 13262418), (36, 11052015), (38, 10470330), (39, 10201860), (45, 8841612), (52, 7651395), (54, 7368010), (57, 6980220), (60, 6631209), (65, 6121116), (76, 5235165), (78, 5100930), (90, 4420806), (95, 4188132), (108, 3684005), (114, 3490110), (117, 3400620), (130, 3060558), (135, 2947204), (156, 2550465), (157, 2534220), (171, 2326740), (180, 2210403), (190, 2094066), (195, 2040372), (228, 1745055), (234, 1700310), (247, 1610820), (260, 1530279), (270, 1473602), (285, 1396044), (314, 1267110), (342, 1163370), (351, 1133540), (361, 1102140), (380, 1047033), (390, 1020186), (468, 850155), (471, 844740), (494, 805410), (513, 775580), (540, 736801), (570, 698022), (585, 680124), (628, 633555), (684, 581685), (702, 566770), (722, 551070), (741, 536940), (780, 510093), (785, 506844), (855, 465348), (942, 422370), (988, 402705), (1026, 387790), (1083, 367380), (1140, 349011), (1170, 340062), (1235, 322164), (1404, 283385), (1413, 281580), (1444, 275535), (1482, 268470), (1570, 253422), (1710, 232674), (1755, 226708), (1805, 220428), (1884, 211185), (2041, 194940), (2052, 193895), (2166, 183690), (2223, 178980), (2340, 170031), (2355, 168948), (2470, 161082), (2565, 155116), (2826, 140790), (2964, 134235), (2983, 133380), (3140, 126711), (3249, 122460), (3420, 116337), (3510, 113354), (3610, 110214), (3705, 107388), (4082, 97470), (4239, 93860), (4332, 91845), (4446, 89490), (4693, 84780), (4710, 84474), (4940, 80541), (5130, 77558), (5415, 73476), (5652, 70395), (5966, 66690), (6123, 64980), (6498, 61230), (6669, 59660), (7020, 56677), (7065, 56316), (7220, 55107), (7410, 53694), (8164, 48735), (8478, 46930), (8892, 44745), (8949, 44460), (9386, 42390), (9420, 42237), (9747, 40820), (10205, 38988), (10260, 38779), (10830, 36738), (11115, 35796), (11932, 33345), (12246, 32490), (12996, 30615), (13338, 29830), (14079, 28260), (14130, 28158), (14820, 26847), (14915, 26676), (16245, 24492), (16956, 23465), (17898, 22230), (18369, 21660), (18772, 21195), (19494, 20410)]