181130020

素因数分解:

$2^2\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{7369}}^1$

素因数の和:8607

約数の個数: 24

約数和(自身を含む): 380734200

約数和(自身を除く): 199604180

約数列:

[1, 2, 4, 5, 10, 20, 1229, 2458, 4916, 6145, 7369, 12290, 14738, 24580, 29476, 36845, 73690, 147380, 9056501, 18113002, 36226004, 45282505, 90565010, 181130020]

約数ペア:

[(1, 181130020), (2, 90565010), (4, 45282505), (5, 36226004), (10, 18113002), (20, 9056501), (1229, 147380), (2458, 73690), (4916, 36845), (6145, 29476), (7369, 24580), (12290, 14738)]