438444020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3131743}}^1$

素因数の和:3131759

約数の個数: 24

約数和(自身を含む): 1052265984

約数和(自身を除く): 613821964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3131743, 6263486, 12526972, 15658715, 21922201, 31317430, 43844402, 62634860, 87688804, 109611005, 219222010, 438444020]

約数ペア:

[(1, 438444020), (2, 219222010), (4, 109611005), (5, 87688804), (7, 62634860), (10, 43844402), (14, 31317430), (20, 21922201), (28, 15658715), (35, 12526972), (70, 6263486), (140, 3131743)]