201681580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{530741}}^1$

素因数の和:530769

約数の個数: 24

約数和(自身を含む): 445823280

約数和(自身を除く): 244141700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 530741, 1061482, 2122964, 2653705, 5307410, 10084079, 10614820, 20168158, 40336316, 50420395, 100840790, 201681580]

約数ペア:

[(1, 201681580), (2, 100840790), (4, 50420395), (5, 40336316), (10, 20168158), (19, 10614820), (20, 10084079), (38, 5307410), (76, 2653705), (95, 2122964), (190, 1061482), (380, 530741)]