388242020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{823}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 827823360

約数和(自身を除く): 439581340

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 229, 412, 458, 515, 823, 916, 1030, 1145, 1646, 2060, 2290, 3292, 4115, 4580, 8230, 16460, 23587, 47174, 84769, 94348, 117935, 169538, 188467, 235870, 339076, 376934, 423845, 471740, 753868, 847690, 942335, 1695380, 1884670, 3769340, 19412101, 38824202, 77648404, 97060505, 194121010, 388242020]

約数ペア:

[(1, 388242020), (2, 194121010), (4, 97060505), (5, 77648404), (10, 38824202), (20, 19412101), (103, 3769340), (206, 1884670), (229, 1695380), (412, 942335), (458, 847690), (515, 753868), (823, 471740), (916, 423845), (1030, 376934), (1145, 339076), (1646, 235870), (2060, 188467), (2290, 169538), (3292, 117935), (4115, 94348), (4580, 84769), (8230, 47174), (16460, 23587)]