68007140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1439}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 84402460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 1439, 2363, 2780, 2878, 4726, 5756, 7195, 9452, 11815, 14390, 23630, 24463, 28780, 47260, 48926, 97852, 122315, 200021, 244630, 400042, 489260, 800084, 1000105, 2000210, 3400357, 4000420, 6800714, 13601428, 17001785, 34003570, 68007140]

約数ペア:

[(1, 68007140), (2, 34003570), (4, 17001785), (5, 13601428), (10, 6800714), (17, 4000420), (20, 3400357), (34, 2000210), (68, 1000105), (85, 800084), (139, 489260), (170, 400042), (278, 244630), (340, 200021), (556, 122315), (695, 97852), (1390, 48926), (1439, 47260), (2363, 28780), (2780, 24463), (2878, 23630), (4726, 14390), (5756, 11815), (7195, 9452)]