1619020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{479}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 3689280

約数和(自身を除く): 2070260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 479, 676, 845, 958, 1690, 1916, 2395, 3380, 4790, 6227, 9580, 12454, 24908, 31135, 62270, 80951, 124540, 161902, 323804, 404755, 809510, 1619020]

約数ペア:

[(1, 1619020), (2, 809510), (4, 404755), (5, 323804), (10, 161902), (13, 124540), (20, 80951), (26, 62270), (52, 31135), (65, 24908), (130, 12454), (169, 9580), (260, 6227), (338, 4790), (479, 3380), (676, 2395), (845, 1916), (958, 1690)]