400967140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2864051}}^1$

素因数の和:2864067

約数の個数: 24

約数和(自身を含む): 962321472

約数和(自身を除く): 561354332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2864051, 5728102, 11456204, 14320255, 20048357, 28640510, 40096714, 57281020, 80193428, 100241785, 200483570, 400967140]

約数ペア:

[(1, 400967140), (2, 200483570), (4, 100241785), (5, 80193428), (7, 57281020), (10, 40096714), (14, 28640510), (20, 20048357), (28, 14320255), (35, 11456204), (70, 5728102), (140, 2864051)]