206175320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 537243840

約数和(自身を除く): 331068520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 83, 85, 104, 130, 136, 166, 170, 221, 260, 281, 332, 340, 415, 442, 520, 562, 664, 680, 830, 884, 1079, 1105, 1124, 1405, 1411, 1660, 1768, 2158, 2210, 2248, 2810, 2822, 3320, 3653, 4316, 4420, 4777, 5395, 5620, 5644, 7055, 7306, 8632, 8840, 9554, 10790, 11240, 11288, 14110, 14612, 18265, 18343, 19108, 21580, 23323, 23885, 28220, 29224, 36530, 36686, 38216, 43160, 46646, 47770, 56440, 62101, 73060, 73372, 91715, 93292, 95540, 116615, 124202, 146120, 146744, 183430, 186584, 191080, 233230, 248404, 303199, 310505, 366860, 396491, 466460, 496808, 606398, 621010, 733720, 792982, 932920, 1212796, 1242020, 1515995, 1585964, 1982455, 2425592, 2484040, 3031990, 3171928, 3964910, 5154383, 6063980, 7929820, 10308766, 12127960, 15859640, 20617532, 25771915, 41235064, 51543830, 103087660, 206175320]

約数ペア:

[(1, 206175320), (2, 103087660), (4, 51543830), (5, 41235064), (8, 25771915), (10, 20617532), (13, 15859640), (17, 12127960), (20, 10308766), (26, 7929820), (34, 6063980), (40, 5154383), (52, 3964910), (65, 3171928), (68, 3031990), (83, 2484040), (85, 2425592), (104, 1982455), (130, 1585964), (136, 1515995), (166, 1242020), (170, 1212796), (221, 932920), (260, 792982), (281, 733720), (332, 621010), (340, 606398), (415, 496808), (442, 466460), (520, 396491), (562, 366860), (664, 310505), (680, 303199), (830, 248404), (884, 233230), (1079, 191080), (1105, 186584), (1124, 183430), (1405, 146744), (1411, 146120), (1660, 124202), (1768, 116615), (2158, 95540), (2210, 93292), (2248, 91715), (2810, 73372), (2822, 73060), (3320, 62101), (3653, 56440), (4316, 47770), (4420, 46646), (4777, 43160), (5395, 38216), (5620, 36686), (5644, 36530), (7055, 29224), (7306, 28220), (8632, 23885), (8840, 23323), (9554, 21580), (10790, 19108), (11240, 18343), (11288, 18265), (14110, 14612)]