42198940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{787}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 101670912

約数和(自身を除く): 59471972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 766, 787, 1532, 1574, 1915, 2681, 3148, 3830, 3935, 5362, 5509, 7660, 7870, 10724, 11018, 13405, 15740, 22036, 26810, 27545, 53620, 55090, 110180, 301421, 602842, 1205684, 1507105, 2109947, 3014210, 4219894, 6028420, 8439788, 10549735, 21099470, 42198940]

約数ペア:

[(1, 42198940), (2, 21099470), (4, 10549735), (5, 8439788), (7, 6028420), (10, 4219894), (14, 3014210), (20, 2109947), (28, 1507105), (35, 1205684), (70, 602842), (140, 301421), (383, 110180), (766, 55090), (787, 53620), (1532, 27545), (1574, 26810), (1915, 22036), (2681, 15740), (3148, 13405), (3830, 11018), (3935, 10724), (5362, 7870), (5509, 7660)]