22290550

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 43604352

約数和(自身を除く): 21313802

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 73, 146, 155, 197, 310, 365, 394, 730, 775, 985, 1550, 1825, 1970, 2263, 3650, 4526, 4925, 6107, 9850, 11315, 12214, 14381, 22630, 28762, 30535, 56575, 61070, 71905, 113150, 143810, 152675, 305350, 359525, 445811, 719050, 891622, 2229055, 4458110, 11145275, 22290550]

約数ペア:

[(1, 22290550), (2, 11145275), (5, 4458110), (10, 2229055), (25, 891622), (31, 719050), (50, 445811), (62, 359525), (73, 305350), (146, 152675), (155, 143810), (197, 113150), (310, 71905), (365, 61070), (394, 56575), (730, 30535), (775, 28762), (985, 22630), (1550, 14381), (1825, 12214), (1970, 11315), (2263, 9850), (3650, 6107), (4526, 4925)]