771260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{787}}^1$

素因数の和:810

約数の個数: 36

約数和(自身を含む): 1886472

約数和(自身を除く): 1115212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 787, 980, 1574, 3148, 3935, 5509, 7870, 11018, 15740, 22036, 27545, 38563, 55090, 77126, 110180, 154252, 192815, 385630, 771260]

約数ペア:

[(1, 771260), (2, 385630), (4, 192815), (5, 154252), (7, 110180), (10, 77126), (14, 55090), (20, 38563), (28, 27545), (35, 22036), (49, 15740), (70, 11018), (98, 7870), (140, 5509), (196, 3935), (245, 3148), (490, 1574), (787, 980)]