123935480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{521}}^1$

素因数の和:864

約数の個数: 64

約数和(自身を含む): 295034400

約数和(自身を除く): 171098920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 313, 380, 521, 626, 760, 1042, 1252, 1565, 2084, 2504, 2605, 3130, 4168, 5210, 5947, 6260, 9899, 10420, 11894, 12520, 19798, 20840, 23788, 29735, 39596, 47576, 49495, 59470, 79192, 98990, 118940, 163073, 197980, 237880, 326146, 395960, 652292, 815365, 1304584, 1630730, 3098387, 3261460, 6196774, 6522920, 12393548, 15491935, 24787096, 30983870, 61967740, 123935480]

約数ペア:

[(1, 123935480), (2, 61967740), (4, 30983870), (5, 24787096), (8, 15491935), (10, 12393548), (19, 6522920), (20, 6196774), (38, 3261460), (40, 3098387), (76, 1630730), (95, 1304584), (152, 815365), (190, 652292), (313, 395960), (380, 326146), (521, 237880), (626, 197980), (760, 163073), (1042, 118940), (1252, 98990), (1565, 79192), (2084, 59470), (2504, 49495), (2605, 47576), (3130, 39596), (4168, 29735), (5210, 23788), (5947, 20840), (6260, 19798), (9899, 12520), (10420, 11894)]