161838100

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{11813}}^1$

素因数の和:11964

約数の個数: 36

約数和(自身を含む): 353782044

約数和(自身を除く): 191943944

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 6850, 11813, 13700, 23626, 47252, 59065, 118130, 236260, 295325, 590650, 1181300, 1618381, 3236762, 6473524, 8091905, 16183810, 32367620, 40459525, 80919050, 161838100]

約数ペア:

[(1, 161838100), (2, 80919050), (4, 40459525), (5, 32367620), (10, 16183810), (20, 8091905), (25, 6473524), (50, 3236762), (100, 1618381), (137, 1181300), (274, 590650), (548, 295325), (685, 236260), (1370, 118130), (2740, 59065), (3425, 47252), (6850, 23626), (11813, 13700)]