397103629060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{279650443}}^1$

素因数の和:279650523

約数の個数: 24

約数和(自身を含む): 845662942656

約数和(自身を除く): 448559313596

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 279650443, 559300886, 1118601772, 1398252215, 2796504430, 5593008860, 19855181453, 39710362906, 79420725812, 99275907265, 198551814530, 397103629060]

約数ペア:

[(1, 397103629060), (2, 198551814530), (4, 99275907265), (5, 79420725812), (10, 39710362906), (20, 19855181453), (71, 5593008860), (142, 2796504430), (284, 1398252215), (355, 1118601772), (710, 559300886), (1420, 279650443)]