2128663625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 3022306560

約数和(自身を除く): 893642935

約数列:

[1, 5, 11, 25, 41, 55, 61, 125, 205, 275, 305, 451, 619, 671, 1025, 1375, 1525, 2255, 2501, 3095, 3355, 5125, 6809, 7625, 11275, 12505, 15475, 16775, 25379, 27511, 34045, 37759, 56375, 62525, 77375, 83875, 126895, 137555, 170225, 188795, 279169, 312625, 415349, 634475, 687775, 851125, 943975, 1395845, 1548119, 2076745, 3172375, 3438875, 4719875, 6979225, 7740595, 10383725, 17029309, 34896125, 38702975, 51918625, 85146545, 193514875, 425732725, 2128663625]

約数ペア:

[(1, 2128663625), (5, 425732725), (11, 193514875), (25, 85146545), (41, 51918625), (55, 38702975), (61, 34896125), (125, 17029309), (205, 10383725), (275, 7740595), (305, 6979225), (451, 4719875), (619, 3438875), (671, 3172375), (1025, 2076745), (1375, 1548119), (1525, 1395845), (2255, 943975), (2501, 851125), (3095, 687775), (3355, 634475), (5125, 415349), (6809, 312625), (7625, 279169), (11275, 188795), (12505, 170225), (15475, 137555), (16775, 126895), (25379, 83875), (27511, 77375), (34045, 62525), (37759, 56375)]