128217620

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 275728320

約数和(自身を除く): 147510700

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 193, 236, 295, 386, 563, 590, 772, 965, 1126, 1180, 1930, 2252, 2815, 3860, 5630, 11260, 11387, 22774, 33217, 45548, 56935, 66434, 108659, 113870, 132868, 166085, 217318, 227740, 332170, 434636, 543295, 664340, 1086590, 2173180, 6410881, 12821762, 25643524, 32054405, 64108810, 128217620]

約数ペア:

[(1, 128217620), (2, 64108810), (4, 32054405), (5, 25643524), (10, 12821762), (20, 6410881), (59, 2173180), (118, 1086590), (193, 664340), (236, 543295), (295, 434636), (386, 332170), (563, 227740), (590, 217318), (772, 166085), (965, 132868), (1126, 113870), (1180, 108659), (1930, 66434), (2252, 56935), (2815, 45548), (3860, 33217), (5630, 22774), (11260, 11387)]