100823380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{102881}}^1$

素因数の和:102904

約数の個数: 36

約数和(自身を含む): 246299508

約数和(自身を除く): 145476128

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 102881, 205762, 411524, 514405, 720167, 1028810, 1440334, 2057620, 2880668, 3600835, 5041169, 7201670, 10082338, 14403340, 20164676, 25205845, 50411690, 100823380]

約数ペア:

[(1, 100823380), (2, 50411690), (4, 25205845), (5, 20164676), (7, 14403340), (10, 10082338), (14, 7201670), (20, 5041169), (28, 3600835), (35, 2880668), (49, 2057620), (70, 1440334), (98, 1028810), (140, 720167), (196, 514405), (245, 411524), (490, 205762), (980, 102881)]