87772900

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{14389}}^1$

素因数の和:14464

約数の個数: 36

約数和(自身を含む): 193603060

約数和(自身を除く): 105830160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 14389, 28778, 57556, 71945, 143890, 287780, 359725, 719450, 877729, 1438900, 1755458, 3510916, 4388645, 8777290, 17554580, 21943225, 43886450, 87772900]

約数ペア:

[(1, 87772900), (2, 43886450), (4, 21943225), (5, 17554580), (10, 8777290), (20, 4388645), (25, 3510916), (50, 1755458), (61, 1438900), (100, 877729), (122, 719450), (244, 359725), (305, 287780), (610, 143890), (1220, 71945), (1525, 57556), (3050, 28778), (6100, 14389)]