155784580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1112747}}^1$

素因数の和:1112763

約数の個数: 24

約数和(自身を含む): 373883328

約数和(自身を除く): 218098748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1112747, 2225494, 4450988, 5563735, 7789229, 11127470, 15578458, 22254940, 31156916, 38946145, 77892290, 155784580]

約数ペア:

[(1, 155784580), (2, 77892290), (4, 38946145), (5, 31156916), (7, 22254940), (10, 15578458), (14, 11127470), (20, 7789229), (28, 5563735), (35, 4450988), (70, 2225494), (140, 1112747)]