31183100

素因数分解:

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

素因数の和:144

約数の個数: 108

約数和(自身を含む): 78343944

約数和(自身を除く): 47160844

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 83, 85, 100, 130, 166, 170, 221, 260, 289, 325, 332, 340, 415, 425, 442, 578, 650, 830, 850, 884, 1079, 1105, 1156, 1300, 1411, 1445, 1660, 1700, 2075, 2158, 2210, 2822, 2890, 3757, 4150, 4316, 4420, 5395, 5525, 5644, 5780, 7055, 7225, 7514, 8300, 10790, 11050, 14110, 14450, 15028, 18343, 18785, 21580, 22100, 23987, 26975, 28220, 28900, 35275, 36686, 37570, 47974, 53950, 70550, 73372, 75140, 91715, 93925, 95948, 107900, 119935, 141100, 183430, 187850, 239870, 311831, 366860, 375700, 458575, 479740, 599675, 623662, 917150, 1199350, 1247324, 1559155, 1834300, 2398700, 3118310, 6236620, 7795775, 15591550, 31183100]

約数ペア:

[(1, 31183100), (2, 15591550), (4, 7795775), (5, 6236620), (10, 3118310), (13, 2398700), (17, 1834300), (20, 1559155), (25, 1247324), (26, 1199350), (34, 917150), (50, 623662), (52, 599675), (65, 479740), (68, 458575), (83, 375700), (85, 366860), (100, 311831), (130, 239870), (166, 187850), (170, 183430), (221, 141100), (260, 119935), (289, 107900), (325, 95948), (332, 93925), (340, 91715), (415, 75140), (425, 73372), (442, 70550), (578, 53950), (650, 47974), (830, 37570), (850, 36686), (884, 35275), (1079, 28900), (1105, 28220), (1156, 26975), (1300, 23987), (1411, 22100), (1445, 21580), (1660, 18785), (1700, 18343), (2075, 15028), (2158, 14450), (2210, 14110), (2822, 11050), (2890, 10790), (3757, 8300), (4150, 7514), (4316, 7225), (4420, 7055), (5395, 5780), (5525, 5644)]