85702960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21863}}^1$

素因数の和:21890

約数の個数: 60

約数和(自身を含む): 231802128

約数和(自身を除く): 146099168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21863, 43726, 87452, 109315, 153041, 174904, 218630, 306082, 349808, 437260, 612164, 765205, 874520, 1071287, 1224328, 1530410, 1749040, 2142574, 2448656, 3060820, 4285148, 5356435, 6121640, 8570296, 10712870, 12243280, 17140592, 21425740, 42851480, 85702960]

約数ペア:

[(1, 85702960), (2, 42851480), (4, 21425740), (5, 17140592), (7, 12243280), (8, 10712870), (10, 8570296), (14, 6121640), (16, 5356435), (20, 4285148), (28, 3060820), (35, 2448656), (40, 2142574), (49, 1749040), (56, 1530410), (70, 1224328), (80, 1071287), (98, 874520), (112, 765205), (140, 612164), (196, 437260), (245, 349808), (280, 306082), (392, 218630), (490, 174904), (560, 153041), (784, 109315), (980, 87452), (1960, 43726), (3920, 21863)]