423609980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{142151}}^1$

素因数の和:142309

約数の個数: 24

約数和(自身を含む): 895557600

約数和(自身を除く): 471947620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 142151, 284302, 568604, 710755, 1421510, 2843020, 21180499, 42360998, 84721996, 105902495, 211804990, 423609980]

約数ペア:

[(1, 423609980), (2, 211804990), (4, 105902495), (5, 84721996), (10, 42360998), (20, 21180499), (149, 2843020), (298, 1421510), (596, 710755), (745, 568604), (1490, 284302), (2980, 142151)]