200908180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{3821}}^1$

素因数の和:4080

約数の個数: 48

約数和(自身を含む): 462309120

約数和(自身を除く): 261400940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 2390, 2629, 3821, 4780, 5258, 7642, 10516, 13145, 15284, 19105, 26290, 38210, 42031, 52580, 76420, 84062, 168124, 210155, 420310, 840620, 913219, 1826438, 3652876, 4566095, 9132190, 10045409, 18264380, 20090818, 40181636, 50227045, 100454090, 200908180]

約数ペア:

[(1, 200908180), (2, 100454090), (4, 50227045), (5, 40181636), (10, 20090818), (11, 18264380), (20, 10045409), (22, 9132190), (44, 4566095), (55, 3652876), (110, 1826438), (220, 913219), (239, 840620), (478, 420310), (956, 210155), (1195, 168124), (2390, 84062), (2629, 76420), (3821, 52580), (4780, 42031), (5258, 38210), (7642, 26290), (10516, 19105), (13145, 15284)]