421246340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1108543}}^1$

素因数の和:1108571

約数の個数: 24

約数和(自身を含む): 931176960

約数和(自身を除く): 509930620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1108543, 2217086, 4434172, 5542715, 11085430, 21062317, 22170860, 42124634, 84249268, 105311585, 210623170, 421246340]

約数ペア:

[(1, 421246340), (2, 210623170), (4, 105311585), (5, 84249268), (10, 42124634), (19, 22170860), (20, 21062317), (38, 11085430), (76, 5542715), (95, 4434172), (190, 2217086), (380, 1108543)]