2998840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 7459200

約数和(自身を除く): 4460360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 79, 104, 130, 146, 158, 260, 292, 316, 365, 395, 520, 584, 632, 730, 790, 949, 1027, 1460, 1580, 1898, 2054, 2920, 3160, 3796, 4108, 4745, 5135, 5767, 7592, 8216, 9490, 10270, 11534, 18980, 20540, 23068, 28835, 37960, 41080, 46136, 57670, 74971, 115340, 149942, 230680, 299884, 374855, 599768, 749710, 1499420, 2998840]

約数ペア:

[(1, 2998840), (2, 1499420), (4, 749710), (5, 599768), (8, 374855), (10, 299884), (13, 230680), (20, 149942), (26, 115340), (40, 74971), (52, 57670), (65, 46136), (73, 41080), (79, 37960), (104, 28835), (130, 23068), (146, 20540), (158, 18980), (260, 11534), (292, 10270), (316, 9490), (365, 8216), (395, 7592), (520, 5767), (584, 5135), (632, 4745), (730, 4108), (790, 3796), (949, 3160), (1027, 2920), (1460, 2054), (1580, 1898)]