143401820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{70991}}^1$

素因数の和:71101

約数の個数: 24

約数和(自身を含む): 304129728

約数和(自身を除く): 160727908

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 70991, 141982, 283964, 354955, 709910, 1419820, 7170091, 14340182, 28680364, 35850455, 71700910, 143401820]

約数ペア:

[(1, 143401820), (2, 71700910), (4, 35850455), (5, 28680364), (10, 14340182), (20, 7170091), (101, 1419820), (202, 709910), (404, 354955), (505, 283964), (1010, 141982), (2020, 70991)]