89863480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320941}}^1$

素因数の和:320959

約数の個数: 32

約数和(自身を含む): 231078240

約数和(自身を除く): 141214760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320941, 641882, 1283764, 1604705, 2246587, 2567528, 3209410, 4493174, 6418820, 8986348, 11232935, 12837640, 17972696, 22465870, 44931740, 89863480]

約数ペア:

[(1, 89863480), (2, 44931740), (4, 22465870), (5, 17972696), (7, 12837640), (8, 11232935), (10, 8986348), (14, 6418820), (20, 4493174), (28, 3209410), (35, 2567528), (40, 2246587), (56, 1604705), (70, 1283764), (140, 641882), (280, 320941)]