131231600

素因数分解:

$2^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{8867}}^1$

素因数の和:8922

約数の個数: 60

約数和(自身を含む): 323841624

約数和(自身を除く): 192610024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 37, 40, 50, 74, 80, 100, 148, 185, 200, 296, 370, 400, 592, 740, 925, 1480, 1850, 2960, 3700, 7400, 8867, 14800, 17734, 35468, 44335, 70936, 88670, 141872, 177340, 221675, 328079, 354680, 443350, 656158, 709360, 886700, 1312316, 1640395, 1773400, 2624632, 3280790, 3546800, 5249264, 6561580, 8201975, 13123160, 16403950, 26246320, 32807900, 65615800, 131231600]

約数ペア:

[(1, 131231600), (2, 65615800), (4, 32807900), (5, 26246320), (8, 16403950), (10, 13123160), (16, 8201975), (20, 6561580), (25, 5249264), (37, 3546800), (40, 3280790), (50, 2624632), (74, 1773400), (80, 1640395), (100, 1312316), (148, 886700), (185, 709360), (200, 656158), (296, 443350), (370, 354680), (400, 328079), (592, 221675), (740, 177340), (925, 141872), (1480, 88670), (1850, 70936), (2960, 44335), (3700, 35468), (7400, 17734), (8867, 14800)]