489075460

素因数分解:

$2^2\times 5^1\times {\mathrm{2143}}^1\times {\mathrm{11411}}^1$

素因数の和:13563

約数の個数: 24

約数和(自身を含む): 1027627776

約数和(自身を除く): 538552316

約数列:

[1, 2, 4, 5, 10, 20, 2143, 4286, 8572, 10715, 11411, 21430, 22822, 42860, 45644, 57055, 114110, 228220, 24453773, 48907546, 97815092, 122268865, 244537730, 489075460]

約数ペア:

[(1, 489075460), (2, 244537730), (4, 122268865), (5, 97815092), (10, 48907546), (20, 24453773), (2143, 228220), (4286, 114110), (8572, 57055), (10715, 45644), (11411, 42860), (21430, 22822)]