90902200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{7451}}^1$

素因数の和:7528

約数の個数: 48

約数和(自身を含む): 214841160

約数和(自身を除く): 123938960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2440, 3050, 6100, 7451, 12200, 14902, 29804, 37255, 59608, 74510, 149020, 186275, 298040, 372550, 454511, 745100, 909022, 1490200, 1818044, 2272555, 3636088, 4545110, 9090220, 11362775, 18180440, 22725550, 45451100, 90902200]

約数ペア:

[(1, 90902200), (2, 45451100), (4, 22725550), (5, 18180440), (8, 11362775), (10, 9090220), (20, 4545110), (25, 3636088), (40, 2272555), (50, 1818044), (61, 1490200), (100, 909022), (122, 745100), (200, 454511), (244, 372550), (305, 298040), (488, 186275), (610, 149020), (1220, 74510), (1525, 59608), (2440, 37255), (3050, 29804), (6100, 14902), (7451, 12200)]