396172490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 830649600

約数和(自身を除く): 434477110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 137, 218, 274, 379, 545, 685, 758, 763, 959, 1090, 1370, 1526, 1895, 1918, 2653, 3790, 3815, 4795, 5306, 7630, 9590, 13265, 14933, 26530, 29866, 41311, 51923, 74665, 82622, 103846, 104531, 149330, 206555, 209062, 259615, 289177, 363461, 413110, 519230, 522655, 578354, 726922, 1045310, 1445885, 1817305, 2891770, 3634610, 5659607, 11319214, 28298035, 39617249, 56596070, 79234498, 198086245, 396172490]

約数ペア:

[(1, 396172490), (2, 198086245), (5, 79234498), (7, 56596070), (10, 39617249), (14, 28298035), (35, 11319214), (70, 5659607), (109, 3634610), (137, 2891770), (218, 1817305), (274, 1445885), (379, 1045310), (545, 726922), (685, 578354), (758, 522655), (763, 519230), (959, 413110), (1090, 363461), (1370, 289177), (1526, 259615), (1895, 209062), (1918, 206555), (2653, 149330), (3790, 104531), (3815, 103846), (4795, 82622), (5306, 74665), (7630, 51923), (9590, 41311), (13265, 29866), (14933, 26530)]