68495420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11933}}^1$

素因数の和:11990

約数の個数: 48

約数和(自身を含む): 168412608

約数和(自身を除く): 99917188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 11933, 23866, 47732, 59665, 83531, 119330, 167062, 238660, 334124, 417655, 489253, 835310, 978506, 1670620, 1957012, 2446265, 3424771, 4892530, 6849542, 9785060, 13699084, 17123855, 34247710, 68495420]

約数ペア:

[(1, 68495420), (2, 34247710), (4, 17123855), (5, 13699084), (7, 9785060), (10, 6849542), (14, 4892530), (20, 3424771), (28, 2446265), (35, 1957012), (41, 1670620), (70, 978506), (82, 835310), (140, 489253), (164, 417655), (205, 334124), (287, 238660), (410, 167062), (574, 119330), (820, 83531), (1148, 59665), (1435, 47732), (2870, 23866), (5740, 11933)]