70896680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{877}}^1$

素因数の和:978

約数の個数: 64

約数和(自身を含む): 166890240

約数和(自身を除く): 95993560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 47, 86, 94, 172, 188, 215, 235, 344, 376, 430, 470, 860, 877, 940, 1720, 1754, 1880, 2021, 3508, 4042, 4385, 7016, 8084, 8770, 10105, 16168, 17540, 20210, 35080, 37711, 40420, 41219, 75422, 80840, 82438, 150844, 164876, 188555, 206095, 301688, 329752, 377110, 412190, 754220, 824380, 1508440, 1648760, 1772417, 3544834, 7089668, 8862085, 14179336, 17724170, 35448340, 70896680]

約数ペア:

[(1, 70896680), (2, 35448340), (4, 17724170), (5, 14179336), (8, 8862085), (10, 7089668), (20, 3544834), (40, 1772417), (43, 1648760), (47, 1508440), (86, 824380), (94, 754220), (172, 412190), (188, 377110), (215, 329752), (235, 301688), (344, 206095), (376, 188555), (430, 164876), (470, 150844), (860, 82438), (877, 80840), (940, 75422), (1720, 41219), (1754, 40420), (1880, 37711), (2021, 35080), (3508, 20210), (4042, 17540), (4385, 16168), (7016, 10105), (8084, 8770)]