90348350

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 172756800

約数和(自身を除く): 82408450

約数列:

[1, 2, 5, 10, 25, 50, 79, 89, 158, 178, 257, 395, 445, 514, 790, 890, 1285, 1975, 2225, 2570, 3950, 4450, 6425, 7031, 12850, 14062, 20303, 22873, 35155, 40606, 45746, 70310, 101515, 114365, 175775, 203030, 228730, 351550, 507575, 571825, 1015150, 1143650, 1806967, 3613934, 9034835, 18069670, 45174175, 90348350]

約数ペア:

[(1, 90348350), (2, 45174175), (5, 18069670), (10, 9034835), (25, 3613934), (50, 1806967), (79, 1143650), (89, 1015150), (158, 571825), (178, 507575), (257, 351550), (395, 228730), (445, 203030), (514, 175775), (790, 114365), (890, 101515), (1285, 70310), (1975, 45746), (2225, 40606), (2570, 35155), (3950, 22873), (4450, 20303), (6425, 14062), (7031, 12850)]