2687845.00000000

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 18498816

約数和(自身を除く): 5995741

約数列:

[1, 5, 13, 17, 25, 31, 65, 73, 85, 155, 221, 325, 365, 403, 425, 527, 775, 949, 1105, 1241, 1825, 2015, 2263, 2635, 4745, 5525, 6205, 6851, 10075, 11315, 13175, 16133, 23725, 29419, 31025, 34255, 38471, 56575, 80665, 147095, 171275, 192355, 403325, 500123, 735475, 961775, 2500615, 12503075]

約数ペア:

[(1, 12503075), (5, 2500615), (13, 961775), (17, 735475), (25, 500123), (31, 403325), (65, 192355), (73, 171275), (85, 147095), (155, 80665), (221, 56575), (325, 38471), (365, 34255), (403, 31025), (425, 29419), (527, 23725), (775, 16133), (949, 13175), (1105, 11315), (1241, 10075), (1825, 6851), (2015, 6205), (2263, 5525), (2635, 4745)]