979822940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1139329}}^1$

素因数の和:1139381

約数の個数: 24

約数和(自身を含む): 2105481840

約数和(自身を除く): 1125658900

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1139329, 2278658, 4557316, 5696645, 11393290, 22786580, 48991147, 97982294, 195964588, 244955735, 489911470, 979822940]

約数ペア:

[(1, 979822940), (2, 489911470), (4, 244955735), (5, 195964588), (10, 97982294), (20, 48991147), (43, 22786580), (86, 11393290), (172, 5696645), (215, 4557316), (430, 2278658), (860, 1139329)]