290433580

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{143779}}^1$

素因数の和:143889

約数の個数: 24

約数和(自身を含む): 615953520

約数和(自身を除く): 325519940

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 143779, 287558, 575116, 718895, 1437790, 2875580, 14521679, 29043358, 58086716, 72608395, 145216790, 290433580]

約数ペア:

[(1, 290433580), (2, 145216790), (4, 72608395), (5, 58086716), (10, 29043358), (20, 14521679), (101, 2875580), (202, 1437790), (404, 718895), (505, 575116), (1010, 287558), (2020, 143779)]