22254220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 48454560

約数和(自身を除く): 26200340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 229, 430, 452, 458, 565, 860, 916, 1130, 1145, 2260, 2290, 4580, 4859, 9718, 9847, 19436, 19694, 24295, 25877, 39388, 48590, 49235, 51754, 97180, 98470, 103508, 129385, 196940, 258770, 517540, 1112711, 2225422, 4450844, 5563555, 11127110, 22254220]

約数ペア:

[(1, 22254220), (2, 11127110), (4, 5563555), (5, 4450844), (10, 2225422), (20, 1112711), (43, 517540), (86, 258770), (113, 196940), (172, 129385), (215, 103508), (226, 98470), (229, 97180), (430, 51754), (452, 49235), (458, 48590), (565, 39388), (860, 25877), (916, 24295), (1130, 19694), (1145, 19436), (2260, 9847), (2290, 9718), (4580, 4859)]