42739480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{152641}}^1$

素因数の和:152659

約数の個数: 32

約数和(自身を含む): 109902240

約数和(自身を除く): 67162760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 152641, 305282, 610564, 763205, 1068487, 1221128, 1526410, 2136974, 3052820, 4273948, 5342435, 6105640, 8547896, 10684870, 21369740, 42739480]

約数ペア:

[(1, 42739480), (2, 21369740), (4, 10684870), (5, 8547896), (7, 6105640), (8, 5342435), (10, 4273948), (14, 3052820), (20, 2136974), (28, 1526410), (35, 1221128), (40, 1068487), (56, 763205), (70, 610564), (140, 305282), (280, 152641)]