379780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1117}}^1$

素因数の和:1143

約数の個数: 24

約数和(自身を含む): 845208

約数和(自身を除く): 465428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1117, 2234, 4468, 5585, 11170, 18989, 22340, 37978, 75956, 94945, 189890, 379780]

約数ペア:

[(1, 379780), (2, 189890), (4, 94945), (5, 75956), (10, 37978), (17, 22340), (20, 18989), (34, 11170), (68, 5585), (85, 4468), (170, 2234), (340, 1117)]