491943710

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1\times {\mathrm{857}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 895134240

約数和(自身を除く): 403190530

約数列:

[1, 2, 5, 10, 137, 274, 419, 685, 838, 857, 1370, 1714, 2095, 4190, 4285, 8570, 57403, 114806, 117409, 234818, 287015, 359083, 574030, 587045, 718166, 1174090, 1795415, 3590830, 49194371, 98388742, 245971855, 491943710]

約数ペア:

[(1, 491943710), (2, 245971855), (5, 98388742), (10, 49194371), (137, 3590830), (274, 1795415), (419, 1174090), (685, 718166), (838, 587045), (857, 574030), (1370, 359083), (1714, 287015), (2095, 234818), (4190, 117409), (4285, 114806), (8570, 57403)]