266966360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{577}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 617997600

約数和(自身を除く): 351031240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 269, 344, 430, 538, 577, 860, 1076, 1154, 1345, 1720, 2152, 2308, 2690, 2885, 4616, 5380, 5770, 10760, 11540, 11567, 23080, 23134, 24811, 46268, 49622, 57835, 92536, 99244, 115670, 124055, 155213, 198488, 231340, 248110, 310426, 462680, 496220, 620852, 776065, 992440, 1241704, 1552130, 3104260, 6208520, 6674159, 13348318, 26696636, 33370795, 53393272, 66741590, 133483180, 266966360]

約数ペア:

[(1, 266966360), (2, 133483180), (4, 66741590), (5, 53393272), (8, 33370795), (10, 26696636), (20, 13348318), (40, 6674159), (43, 6208520), (86, 3104260), (172, 1552130), (215, 1241704), (269, 992440), (344, 776065), (430, 620852), (538, 496220), (577, 462680), (860, 310426), (1076, 248110), (1154, 231340), (1345, 198488), (1720, 155213), (2152, 124055), (2308, 115670), (2690, 99244), (2885, 92536), (4616, 57835), (5380, 49622), (5770, 46268), (10760, 24811), (11540, 23134), (11567, 23080)]