313778840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 734227200

約数和(自身を除く): 420448360

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 223, 232, 290, 446, 580, 892, 1115, 1160, 1213, 1784, 2230, 2426, 4460, 4852, 6065, 6467, 8920, 9704, 12130, 12934, 24260, 25868, 32335, 35177, 48520, 51736, 64670, 70354, 129340, 140708, 175885, 258680, 270499, 281416, 351770, 540998, 703540, 1081996, 1352495, 1407080, 2163992, 2704990, 5409980, 7844471, 10819960, 15688942, 31377884, 39222355, 62755768, 78444710, 156889420, 313778840]

約数ペア:

[(1, 313778840), (2, 156889420), (4, 78444710), (5, 62755768), (8, 39222355), (10, 31377884), (20, 15688942), (29, 10819960), (40, 7844471), (58, 5409980), (116, 2704990), (145, 2163992), (223, 1407080), (232, 1352495), (290, 1081996), (446, 703540), (580, 540998), (892, 351770), (1115, 281416), (1160, 270499), (1213, 258680), (1784, 175885), (2230, 140708), (2426, 129340), (4460, 70354), (4852, 64670), (6065, 51736), (6467, 48520), (8920, 35177), (9704, 32335), (12130, 25868), (12934, 24260)]