201954100

素因数分解:

$2^2\times 5^2\times {\mathrm{1279}}^1\times {\mathrm{1579}}^1$

素因数の和:2872

約数の個数: 36

約数和(自身を含む): 438860800

約数和(自身を除く): 236906700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1279, 1579, 2558, 3158, 5116, 6316, 6395, 7895, 12790, 15790, 25580, 31580, 31975, 39475, 63950, 78950, 127900, 157900, 2019541, 4039082, 8078164, 10097705, 20195410, 40390820, 50488525, 100977050, 201954100]

約数ペア:

[(1, 201954100), (2, 100977050), (4, 50488525), (5, 40390820), (10, 20195410), (20, 10097705), (25, 8078164), (50, 4039082), (100, 2019541), (1279, 157900), (1579, 127900), (2558, 78950), (3158, 63950), (5116, 39475), (6316, 31975), (6395, 31580), (7895, 25580), (12790, 15790)]