458030920

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{27997}}^1$

素因数の和:28417

約数の個数: 32

約数和(自身を含む): 1033126200

約数和(自身を除く): 575095280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 27997, 55994, 111988, 139985, 223976, 279970, 559940, 1119880, 11450773, 22901546, 45803092, 57253865, 91606184, 114507730, 229015460, 458030920]

約数ペア:

[(1, 458030920), (2, 229015460), (4, 114507730), (5, 91606184), (8, 57253865), (10, 45803092), (20, 22901546), (40, 11450773), (409, 1119880), (818, 559940), (1636, 279970), (2045, 223976), (3272, 139985), (4090, 111988), (8180, 55994), (16360, 27997)]