131486740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{85381}}^1$

素因数の和:85408

約数の個数: 48

約数和(自身を含む): 344260224

約数和(自身を除く): 212773484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 85381, 170762, 341524, 426905, 597667, 853810, 939191, 1195334, 1707620, 1878382, 2390668, 2988335, 3756764, 4695955, 5976670, 6574337, 9391910, 11953340, 13148674, 18783820, 26297348, 32871685, 65743370, 131486740]

約数ペア:

[(1, 131486740), (2, 65743370), (4, 32871685), (5, 26297348), (7, 18783820), (10, 13148674), (11, 11953340), (14, 9391910), (20, 6574337), (22, 5976670), (28, 4695955), (35, 3756764), (44, 2988335), (55, 2390668), (70, 1878382), (77, 1707620), (110, 1195334), (140, 939191), (154, 853810), (220, 597667), (308, 426905), (385, 341524), (770, 170762), (1540, 85381)]