492340

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 1048320

約数和(自身を除く): 555980

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 239, 412, 478, 515, 956, 1030, 1195, 2060, 2390, 4780, 24617, 49234, 98468, 123085, 246170, 492340]

約数ペア:

[(1, 492340), (2, 246170), (4, 123085), (5, 98468), (10, 49234), (20, 24617), (103, 4780), (206, 2390), (239, 2060), (412, 1195), (478, 1030), (515, 956)]