319940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{941}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 712152

約数和(自身を除く): 392212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 941, 1882, 3764, 4705, 9410, 15997, 18820, 31994, 63988, 79985, 159970, 319940]

約数ペア:

[(1, 319940), (2, 159970), (4, 79985), (5, 63988), (10, 31994), (17, 18820), (20, 15997), (34, 9410), (68, 4705), (85, 3764), (170, 1882), (340, 941)]