156640540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1118861}}^1$

素因数の和:1118877

約数の個数: 24

約数和(自身を含む): 375937632

約数和(自身を除く): 219297092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1118861, 2237722, 4475444, 5594305, 7832027, 11188610, 15664054, 22377220, 31328108, 39160135, 78320270, 156640540]

約数ペア:

[(1, 156640540), (2, 78320270), (4, 39160135), (5, 31328108), (7, 22377220), (10, 15664054), (14, 11188610), (20, 7832027), (28, 5594305), (35, 4475444), (70, 2237722), (140, 1118861)]