280667075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 392995680

約数和(自身を除く): 112328605

約数列:

[1, 5, 13, 25, 29, 65, 97, 145, 307, 325, 377, 485, 725, 1261, 1535, 1885, 2425, 2813, 3991, 6305, 7675, 8903, 9425, 14065, 19955, 29779, 31525, 36569, 44515, 70325, 99775, 115739, 148895, 182845, 222575, 387127, 578695, 744475, 863591, 914225, 1935635, 2893475, 4317955, 9678175, 11226683, 21589775, 56133415, 280667075]

約数ペア:

[(1, 280667075), (5, 56133415), (13, 21589775), (25, 11226683), (29, 9678175), (65, 4317955), (97, 2893475), (145, 1935635), (307, 914225), (325, 863591), (377, 744475), (485, 578695), (725, 387127), (1261, 222575), (1535, 182845), (1885, 148895), (2425, 115739), (2813, 99775), (3991, 70325), (6305, 44515), (7675, 36569), (8903, 31525), (9425, 29779), (14065, 19955)]