289756060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{8389}}^1$

素因数の和:8566

約数の個数: 48

約数和(自身を含む): 668112480

約数和(自身を除く): 378356420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 157, 220, 314, 628, 785, 1570, 1727, 3140, 3454, 6908, 8389, 8635, 16778, 17270, 33556, 34540, 41945, 83890, 92279, 167780, 184558, 369116, 461395, 922790, 1317073, 1845580, 2634146, 5268292, 6585365, 13170730, 14487803, 26341460, 28975606, 57951212, 72439015, 144878030, 289756060]

約数ペア:

[(1, 289756060), (2, 144878030), (4, 72439015), (5, 57951212), (10, 28975606), (11, 26341460), (20, 14487803), (22, 13170730), (44, 6585365), (55, 5268292), (110, 2634146), (157, 1845580), (220, 1317073), (314, 922790), (628, 461395), (785, 369116), (1570, 184558), (1727, 167780), (3140, 92279), (3454, 83890), (6908, 41945), (8389, 34540), (8635, 33556), (16778, 17270)]