201022220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7933}}^1$

素因数の和:8130

約数の個数: 48

約数和(自身を含む): 485179968

約数和(自身を除く): 284157748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 7933, 12670, 15866, 25340, 31732, 39665, 55531, 79330, 111062, 158660, 222124, 277655, 555310, 1110620, 1435873, 2871746, 5743492, 7179365, 10051111, 14358730, 20102222, 28717460, 40204444, 50255555, 100511110, 201022220]

約数ペア:

[(1, 201022220), (2, 100511110), (4, 50255555), (5, 40204444), (7, 28717460), (10, 20102222), (14, 14358730), (20, 10051111), (28, 7179365), (35, 5743492), (70, 2871746), (140, 1435873), (181, 1110620), (362, 555310), (724, 277655), (905, 222124), (1267, 158660), (1810, 111062), (2534, 79330), (3620, 55531), (5068, 39665), (6335, 31732), (7933, 25340), (12670, 15866)]