214906900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{165313}}^1$

素因数の和:165340

約数の個数: 36

約数和(自身を含む): 502223932

約数和(自身を除く): 287317032

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 165313, 330626, 661252, 826565, 1653130, 2149069, 3306260, 4132825, 4298138, 8265650, 8596276, 10745345, 16531300, 21490690, 42981380, 53726725, 107453450, 214906900]

約数ペア:

[(1, 214906900), (2, 107453450), (4, 53726725), (5, 42981380), (10, 21490690), (13, 16531300), (20, 10745345), (25, 8596276), (26, 8265650), (50, 4298138), (52, 4132825), (65, 3306260), (100, 2149069), (130, 1653130), (260, 826565), (325, 661252), (650, 330626), (1300, 165313)]