27459880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{971}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 71383680

約数和(自身を除く): 43923800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 101, 140, 202, 280, 404, 505, 707, 808, 971, 1010, 1414, 1942, 2020, 2828, 3535, 3884, 4040, 4855, 5656, 6797, 7070, 7768, 9710, 13594, 14140, 19420, 27188, 28280, 33985, 38840, 54376, 67970, 98071, 135940, 196142, 271880, 392284, 490355, 686497, 784568, 980710, 1372994, 1961420, 2745988, 3432485, 3922840, 5491976, 6864970, 13729940, 27459880]

約数ペア:

[(1, 27459880), (2, 13729940), (4, 6864970), (5, 5491976), (7, 3922840), (8, 3432485), (10, 2745988), (14, 1961420), (20, 1372994), (28, 980710), (35, 784568), (40, 686497), (56, 490355), (70, 392284), (101, 271880), (140, 196142), (202, 135940), (280, 98071), (404, 67970), (505, 54376), (707, 38840), (808, 33985), (971, 28280), (1010, 27188), (1414, 19420), (1942, 14140), (2020, 13594), (2828, 9710), (3535, 7768), (3884, 7070), (4040, 6797), (4855, 5656)]