213790860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{395909}}^1$

素因数の和:395927

約数の個数: 48

約数和(自身を含む): 665128800

約数和(自身を除く): 451337940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 395909, 791818, 1187727, 1583636, 1979545, 2375454, 3563181, 3959090, 4750908, 5938635, 7126362, 7918180, 10689543, 11877270, 14252724, 17815905, 21379086, 23754540, 35631810, 42758172, 53447715, 71263620, 106895430, 213790860]

約数ペア:

[(1, 213790860), (2, 106895430), (3, 71263620), (4, 53447715), (5, 42758172), (6, 35631810), (9, 23754540), (10, 21379086), (12, 17815905), (15, 14252724), (18, 11877270), (20, 10689543), (27, 7918180), (30, 7126362), (36, 5938635), (45, 4750908), (54, 3959090), (60, 3563181), (90, 2375454), (108, 1979545), (135, 1583636), (180, 1187727), (270, 791818), (540, 395909)]