290431420

素因数分解:

$2^2\times 5^1\times {\mathrm{1171}}^1\times {\mathrm{12401}}^1$

素因数の和:13581

約数の個数: 24

約数和(自身を含む): 610476048

約数和(自身を除く): 320044628

約数列:

[1, 2, 4, 5, 10, 20, 1171, 2342, 4684, 5855, 11710, 12401, 23420, 24802, 49604, 62005, 124010, 248020, 14521571, 29043142, 58086284, 72607855, 145215710, 290431420]

約数ペア:

[(1, 290431420), (2, 145215710), (4, 72607855), (5, 58086284), (10, 29043142), (20, 14521571), (1171, 248020), (2342, 124010), (4684, 62005), (5855, 49604), (11710, 24802), (12401, 23420)]