181749100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{557}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 427191408

約数和(自身を除く): 245442308

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 251, 260, 325, 502, 557, 650, 1004, 1114, 1255, 1300, 2228, 2510, 2785, 3263, 5020, 5570, 6275, 6526, 7241, 11140, 12550, 13052, 13925, 14482, 16315, 25100, 27850, 28964, 32630, 36205, 55700, 65260, 72410, 81575, 139807, 144820, 163150, 181025, 279614, 326300, 362050, 559228, 699035, 724100, 1398070, 1817491, 2796140, 3495175, 3634982, 6990350, 7269964, 9087455, 13980700, 18174910, 36349820, 45437275, 90874550, 181749100]

約数ペア:

[(1, 181749100), (2, 90874550), (4, 45437275), (5, 36349820), (10, 18174910), (13, 13980700), (20, 9087455), (25, 7269964), (26, 6990350), (50, 3634982), (52, 3495175), (65, 2796140), (100, 1817491), (130, 1398070), (251, 724100), (260, 699035), (325, 559228), (502, 362050), (557, 326300), (650, 279614), (1004, 181025), (1114, 163150), (1255, 144820), (1300, 139807), (2228, 81575), (2510, 72410), (2785, 65260), (3263, 55700), (5020, 36205), (5570, 32630), (6275, 28964), (6526, 27850), (7241, 25100), (11140, 16315), (12550, 14482), (13052, 13925)]