28370900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^2\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 54

約数和(自身を含む): 63369642

約数和(自身を除く): 34998742

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 101, 106, 202, 212, 265, 404, 505, 530, 1010, 1060, 1325, 2020, 2525, 2650, 2809, 5050, 5300, 5353, 5618, 10100, 10706, 11236, 14045, 21412, 26765, 28090, 53530, 56180, 70225, 107060, 133825, 140450, 267650, 280900, 283709, 535300, 567418, 1134836, 1418545, 2837090, 5674180, 7092725, 14185450, 28370900]

約数ペア:

[(1, 28370900), (2, 14185450), (4, 7092725), (5, 5674180), (10, 2837090), (20, 1418545), (25, 1134836), (50, 567418), (53, 535300), (100, 283709), (101, 280900), (106, 267650), (202, 140450), (212, 133825), (265, 107060), (404, 70225), (505, 56180), (530, 53530), (1010, 28090), (1060, 26765), (1325, 21412), (2020, 14045), (2525, 11236), (2650, 10706), (2809, 10100), (5050, 5618), (5300, 5353)]