31238350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 72557856

約数和(自身を除く): 41319506

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 25, 26, 34, 50, 55, 65, 85, 110, 130, 143, 170, 187, 221, 257, 275, 286, 325, 374, 425, 442, 514, 550, 650, 715, 850, 935, 1105, 1285, 1430, 1870, 2210, 2431, 2570, 2827, 3341, 3575, 4369, 4675, 4862, 5525, 5654, 6425, 6682, 7150, 8738, 9350, 11050, 12155, 12850, 14135, 16705, 21845, 24310, 28270, 33410, 36751, 43690, 48059, 56797, 60775, 70675, 73502, 83525, 96118, 109225, 113594, 121550, 141350, 167050, 183755, 218450, 240295, 283985, 367510, 480590, 567970, 624767, 918775, 1201475, 1249534, 1419925, 1837550, 2402950, 2839850, 3123835, 6247670, 15619175, 31238350]

約数ペア:

[(1, 31238350), (2, 15619175), (5, 6247670), (10, 3123835), (11, 2839850), (13, 2402950), (17, 1837550), (22, 1419925), (25, 1249534), (26, 1201475), (34, 918775), (50, 624767), (55, 567970), (65, 480590), (85, 367510), (110, 283985), (130, 240295), (143, 218450), (170, 183755), (187, 167050), (221, 141350), (257, 121550), (275, 113594), (286, 109225), (325, 96118), (374, 83525), (425, 73502), (442, 70675), (514, 60775), (550, 56797), (650, 48059), (715, 43690), (850, 36751), (935, 33410), (1105, 28270), (1285, 24310), (1430, 21845), (1870, 16705), (2210, 14135), (2431, 12850), (2570, 12155), (2827, 11050), (3341, 9350), (3575, 8738), (4369, 7150), (4675, 6682), (4862, 6425), (5525, 5654)]