22978780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{701}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 30092420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 149, 220, 298, 596, 701, 745, 1402, 1490, 1639, 2804, 2980, 3278, 3505, 6556, 7010, 7711, 8195, 14020, 15422, 16390, 30844, 32780, 38555, 77110, 104449, 154220, 208898, 417796, 522245, 1044490, 1148939, 2088980, 2297878, 4595756, 5744695, 11489390, 22978780]

約数ペア:

[(1, 22978780), (2, 11489390), (4, 5744695), (5, 4595756), (10, 2297878), (11, 2088980), (20, 1148939), (22, 1044490), (44, 522245), (55, 417796), (110, 208898), (149, 154220), (220, 104449), (298, 77110), (596, 38555), (701, 32780), (745, 30844), (1402, 16390), (1490, 15422), (1639, 14020), (2804, 8195), (2980, 7711), (3278, 7010), (3505, 6556)]