268097420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{188801}}^1$

素因数の和:188881

約数の個数: 24

約数和(自身を含む): 570937248

約数和(自身を除く): 302839828

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 188801, 377602, 755204, 944005, 1888010, 3776020, 13404871, 26809742, 53619484, 67024355, 134048710, 268097420]

約数ペア:

[(1, 268097420), (2, 134048710), (4, 67024355), (5, 53619484), (10, 26809742), (20, 13404871), (71, 3776020), (142, 1888010), (284, 944005), (355, 755204), (710, 377602), (1420, 188801)]