156740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 349272

約数和(自身を除く): 192532

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 461, 922, 1844, 2305, 4610, 7837, 9220, 15674, 31348, 39185, 78370, 156740]

約数ペア:

[(1, 156740), (2, 78370), (4, 39185), (5, 31348), (10, 15674), (17, 9220), (20, 7837), (34, 4610), (68, 2305), (85, 1844), (170, 922), (340, 461)]