299853125

素因数分解:

$5^5\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 450924264

約数和(自身を除く): 151071139

約数列:

[1, 5, 11, 13, 25, 55, 61, 65, 121, 125, 143, 275, 305, 325, 605, 625, 671, 715, 793, 1375, 1525, 1573, 1625, 3025, 3125, 3355, 3575, 3965, 6875, 7381, 7625, 7865, 8125, 8723, 15125, 16775, 17875, 19825, 34375, 36905, 38125, 39325, 40625, 43615, 75625, 83875, 89375, 95953, 99125, 184525, 190625, 196625, 218075, 378125, 419375, 446875, 479765, 495625, 922625, 983125, 1090375, 2096875, 2398825, 2478125, 4613125, 4915625, 5451875, 11994125, 23065625, 27259375, 59970625, 299853125]

約数ペア:

[(1, 299853125), (5, 59970625), (11, 27259375), (13, 23065625), (25, 11994125), (55, 5451875), (61, 4915625), (65, 4613125), (121, 2478125), (125, 2398825), (143, 2096875), (275, 1090375), (305, 983125), (325, 922625), (605, 495625), (625, 479765), (671, 446875), (715, 419375), (793, 378125), (1375, 218075), (1525, 196625), (1573, 190625), (1625, 184525), (3025, 99125), (3125, 95953), (3355, 89375), (3575, 83875), (3965, 75625), (6875, 43615), (7381, 40625), (7625, 39325), (7865, 38125), (8125, 36905), (8723, 34375), (15125, 19825), (16775, 17875)]