2278210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 4536000

約数和(自身を除く): 2257790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 149, 278, 298, 695, 745, 1390, 1490, 1529, 1639, 3058, 3278, 7645, 8195, 15290, 16390, 20711, 41422, 103555, 207110, 227821, 455642, 1139105, 2278210]

約数ペア:

[(1, 2278210), (2, 1139105), (5, 455642), (10, 227821), (11, 207110), (22, 103555), (55, 41422), (110, 20711), (139, 16390), (149, 15290), (278, 8195), (298, 7645), (695, 3278), (745, 3058), (1390, 1639), (1490, 1529)]