30138856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1433}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 61948800

約数和(自身を除く): 31809944

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 1433, 1912, 2629, 2866, 5258, 5732, 10516, 11464, 15763, 21032, 31526, 63052, 126104, 342487, 684974, 1369948, 2739896, 3767357, 7534714, 15069428, 30138856]

約数ペア:

[(1, 30138856), (2, 15069428), (4, 7534714), (8, 3767357), (11, 2739896), (22, 1369948), (44, 684974), (88, 342487), (239, 126104), (478, 63052), (956, 31526), (1433, 21032), (1912, 15763), (2629, 11464), (2866, 10516), (5258, 5732)]