78947900

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^1\times {\mathrm{13381}}^1$

素因数の和:13454

約数の個数: 36

約数和(自身を含む): 174233640

約数和(自身を除く): 95285740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 100, 118, 236, 295, 590, 1180, 1475, 2950, 5900, 13381, 26762, 53524, 66905, 133810, 267620, 334525, 669050, 789479, 1338100, 1578958, 3157916, 3947395, 7894790, 15789580, 19736975, 39473950, 78947900]

約数ペア:

[(1, 78947900), (2, 39473950), (4, 19736975), (5, 15789580), (10, 7894790), (20, 3947395), (25, 3157916), (50, 1578958), (59, 1338100), (100, 789479), (118, 669050), (236, 334525), (295, 267620), (590, 133810), (1180, 66905), (1475, 53524), (2950, 26762), (5900, 13381)]