2903740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2963}}^1$

素因数の和:2986

約数の個数: 36

約数和(自身を含む): 7095816

約数和(自身を除く): 4192076

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2963, 5926, 11852, 14815, 20741, 29630, 41482, 59260, 82964, 103705, 145187, 207410, 290374, 414820, 580748, 725935, 1451870, 2903740]

約数ペア:

[(1, 2903740), (2, 1451870), (4, 725935), (5, 580748), (7, 414820), (10, 290374), (14, 207410), (20, 145187), (28, 103705), (35, 82964), (49, 59260), (70, 41482), (98, 29630), (140, 20741), (196, 14815), (245, 11852), (490, 5926), (980, 2963)]