22782100

素因数分解:

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

素因数の和:313

約数の個数: 72

約数和(自身を含む): 54684000

約数和(自身を除く): 31901900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 149, 220, 275, 278, 298, 550, 556, 596, 695, 745, 1100, 1390, 1490, 1529, 1639, 2780, 2980, 3058, 3278, 3475, 3725, 6116, 6556, 6950, 7450, 7645, 8195, 13900, 14900, 15290, 16390, 20711, 30580, 32780, 38225, 40975, 41422, 76450, 81950, 82844, 103555, 152900, 163900, 207110, 227821, 414220, 455642, 517775, 911284, 1035550, 1139105, 2071100, 2278210, 4556420, 5695525, 11391050, 22782100]

約数ペア:

[(1, 22782100), (2, 11391050), (4, 5695525), (5, 4556420), (10, 2278210), (11, 2071100), (20, 1139105), (22, 1035550), (25, 911284), (44, 517775), (50, 455642), (55, 414220), (100, 227821), (110, 207110), (139, 163900), (149, 152900), (220, 103555), (275, 82844), (278, 81950), (298, 76450), (550, 41422), (556, 40975), (596, 38225), (695, 32780), (745, 30580), (1100, 20711), (1390, 16390), (1490, 15290), (1529, 14900), (1639, 13900), (2780, 8195), (2980, 7645), (3058, 7450), (3278, 6950), (3475, 6556), (3725, 6116)]