381505580

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{405857}}^1$

素因数の和:405913

約数の個数: 24

約数和(自身を含む): 818209728

約数和(自身を除く): 436704148

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 405857, 811714, 1623428, 2029285, 4058570, 8117140, 19075279, 38150558, 76301116, 95376395, 190752790, 381505580]

約数ペア:

[(1, 381505580), (2, 190752790), (4, 95376395), (5, 76301116), (10, 38150558), (20, 19075279), (47, 8117140), (94, 4058570), (188, 2029285), (235, 1623428), (470, 811714), (940, 405857)]