177131220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{421741}}^1$

素因数の和:421760

約数の個数: 48

約数和(自身を含む): 566821248

約数和(自身を除く): 389690028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 421741, 843482, 1265223, 1686964, 2108705, 2530446, 2952187, 4217410, 5060892, 5904374, 6326115, 8434820, 8856561, 11808748, 12652230, 14760935, 17713122, 25304460, 29521870, 35426244, 44282805, 59043740, 88565610, 177131220]

約数ペア:

[(1, 177131220), (2, 88565610), (3, 59043740), (4, 44282805), (5, 35426244), (6, 29521870), (7, 25304460), (10, 17713122), (12, 14760935), (14, 12652230), (15, 11808748), (20, 8856561), (21, 8434820), (28, 6326115), (30, 5904374), (35, 5060892), (42, 4217410), (60, 2952187), (70, 2530446), (84, 2108705), (105, 1686964), (140, 1265223), (210, 843482), (420, 421741)]