1520129900

素因数分解:

$2^2\times 5^2\times {\mathrm{1531}}^1\times {\mathrm{9929}}^1$

素因数の和:11474

約数の個数: 36

約数和(自身を含む): 3301168920

約数和(自身を除く): 1781039020

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1531, 3062, 6124, 7655, 9929, 15310, 19858, 30620, 38275, 39716, 49645, 76550, 99290, 153100, 198580, 248225, 496450, 992900, 15201299, 30402598, 60805196, 76006495, 152012990, 304025980, 380032475, 760064950, 1520129900]

約数ペア:

[(1, 1520129900), (2, 760064950), (4, 380032475), (5, 304025980), (10, 152012990), (20, 76006495), (25, 60805196), (50, 30402598), (100, 15201299), (1531, 992900), (3062, 496450), (6124, 248225), (7655, 198580), (9929, 153100), (15310, 99290), (19858, 76550), (30620, 49645), (38275, 39716)]