12220180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 29546496

約数和(自身を除く): 17326316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 382, 457, 764, 914, 955, 1337, 1828, 1910, 2285, 2674, 3199, 3820, 4570, 5348, 6398, 6685, 9140, 12796, 13370, 15995, 26740, 31990, 63980, 87287, 174574, 349148, 436435, 611009, 872870, 1222018, 1745740, 2444036, 3055045, 6110090, 12220180]

約数ペア:

[(1, 12220180), (2, 6110090), (4, 3055045), (5, 2444036), (7, 1745740), (10, 1222018), (14, 872870), (20, 611009), (28, 436435), (35, 349148), (70, 174574), (140, 87287), (191, 63980), (382, 31990), (457, 26740), (764, 15995), (914, 13370), (955, 12796), (1337, 9140), (1828, 6685), (1910, 6398), (2285, 5348), (2674, 4570), (3199, 3820)]