4556420

素因数分解:

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

素因数の和:308

約数の個数: 48

約数和(自身を含む): 10584000

約数和(自身を除く): 6027580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 149, 220, 278, 298, 556, 596, 695, 745, 1390, 1490, 1529, 1639, 2780, 2980, 3058, 3278, 6116, 6556, 7645, 8195, 15290, 16390, 20711, 30580, 32780, 41422, 82844, 103555, 207110, 227821, 414220, 455642, 911284, 1139105, 2278210, 4556420]

約数ペア:

[(1, 4556420), (2, 2278210), (4, 1139105), (5, 911284), (10, 455642), (11, 414220), (20, 227821), (22, 207110), (44, 103555), (55, 82844), (110, 41422), (139, 32780), (149, 30580), (220, 20711), (278, 16390), (298, 15290), (556, 8195), (596, 7645), (695, 6556), (745, 6116), (1390, 3278), (1490, 3058), (1529, 2980), (1639, 2780)]