348545710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{2749}}^1$

素因数の和:3196

約数の個数: 32

約数和(自身を含む): 649440000

約数和(自身を除く): 300894290

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 409, 818, 2045, 2749, 4090, 5498, 12679, 13745, 25358, 27490, 63395, 85219, 126790, 170438, 426095, 852190, 1124341, 2248682, 5621705, 11243410, 34854571, 69709142, 174272855, 348545710]

約数ペア:

[(1, 348545710), (2, 174272855), (5, 69709142), (10, 34854571), (31, 11243410), (62, 5621705), (155, 2248682), (310, 1124341), (409, 852190), (818, 426095), (2045, 170438), (2749, 126790), (4090, 85219), (5498, 63395), (12679, 27490), (13745, 25358)]