71886220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{513473}}^1$

素因数の和:513489

約数の個数: 24

約数和(自身を含む): 172527264

約数和(自身を除く): 100641044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 513473, 1026946, 2053892, 2567365, 3594311, 5134730, 7188622, 10269460, 14377244, 17971555, 35943110, 71886220]

約数ペア:

[(1, 71886220), (2, 35943110), (4, 17971555), (5, 14377244), (7, 10269460), (10, 7188622), (14, 5134730), (20, 3594311), (28, 2567365), (35, 2053892), (70, 1026946), (140, 513473)]