287389630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137507}}^1$

素因数の和:137544

約数の個数: 32

約数和(自身を含む): 594034560

約数和(自身を除く): 306644930

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 137507, 275014, 687535, 1375070, 1512577, 2612633, 3025154, 5225266, 7562885, 13063165, 15125770, 26126330, 28738963, 57477926, 143694815, 287389630]

約数ペア:

[(1, 287389630), (2, 143694815), (5, 57477926), (10, 28738963), (11, 26126330), (19, 15125770), (22, 13063165), (38, 7562885), (55, 5225266), (95, 3025154), (110, 2612633), (190, 1512577), (209, 1375070), (418, 687535), (1045, 275014), (2090, 137507)]