159740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1$

素因数の和:186

約数の個数: 36

約数和(自身を含む): 392616

約数和(自身を除く): 232876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 490, 652, 815, 980, 1141, 1630, 2282, 3260, 4564, 5705, 7987, 11410, 15974, 22820, 31948, 39935, 79870, 159740]

約数ペア:

[(1, 159740), (2, 79870), (4, 39935), (5, 31948), (7, 22820), (10, 15974), (14, 11410), (20, 7987), (28, 5705), (35, 4564), (49, 3260), (70, 2282), (98, 1630), (140, 1141), (163, 980), (196, 815), (245, 652), (326, 490)]