70764820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:629

約数の個数: 72

約数和(自身を含む): 174321504

約数和(自身を除く): 103556684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 163, 196, 245, 326, 443, 490, 652, 815, 886, 980, 1141, 1630, 1772, 2215, 2282, 3101, 3260, 4430, 4564, 5705, 6202, 7987, 8860, 11410, 12404, 15505, 15974, 21707, 22820, 31010, 31948, 39935, 43414, 62020, 72209, 79870, 86828, 108535, 144418, 159740, 217070, 288836, 361045, 434140, 505463, 722090, 1010926, 1444180, 2021852, 2527315, 3538241, 5054630, 7076482, 10109260, 14152964, 17691205, 35382410, 70764820]

約数ペア:

[(1, 70764820), (2, 35382410), (4, 17691205), (5, 14152964), (7, 10109260), (10, 7076482), (14, 5054630), (20, 3538241), (28, 2527315), (35, 2021852), (49, 1444180), (70, 1010926), (98, 722090), (140, 505463), (163, 434140), (196, 361045), (245, 288836), (326, 217070), (443, 159740), (490, 144418), (652, 108535), (815, 86828), (886, 79870), (980, 72209), (1141, 62020), (1630, 43414), (1772, 39935), (2215, 31948), (2282, 31010), (3101, 22820), (3260, 21707), (4430, 15974), (4564, 15505), (5705, 12404), (6202, 11410), (7987, 8860)]