3895990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{7951}}^1$

素因数の和:7972

約数の個数: 24

約数和(自身を含む): 8158752

約数和(自身を除く): 4262762

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 7951, 15902, 39755, 55657, 79510, 111314, 278285, 389599, 556570, 779198, 1947995, 3895990]

約数ペア:

[(1, 3895990), (2, 1947995), (5, 779198), (7, 556570), (10, 389599), (14, 278285), (35, 111314), (49, 79510), (70, 55657), (98, 39755), (245, 15902), (490, 7951)]