90619480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{323641}}^1$

素因数の和:323659

約数の個数: 32

約数和(自身を含む): 233022240

約数和(自身を除く): 142402760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 323641, 647282, 1294564, 1618205, 2265487, 2589128, 3236410, 4530974, 6472820, 9061948, 11327435, 12945640, 18123896, 22654870, 45309740, 90619480]

約数ペア:

[(1, 90619480), (2, 45309740), (4, 22654870), (5, 18123896), (7, 12945640), (8, 11327435), (10, 9061948), (14, 6472820), (20, 4530974), (28, 3236410), (35, 2589128), (40, 2265487), (56, 1618205), (70, 1294564), (140, 647282), (280, 323641)]