31909220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 76930560

約数和(自身を除く): 45021340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 719, 1268, 1438, 1585, 2219, 2876, 3170, 3595, 4438, 5033, 6340, 7190, 8876, 10066, 11095, 14380, 20132, 22190, 25165, 44380, 50330, 100660, 227923, 455846, 911692, 1139615, 1595461, 2279230, 3190922, 4558460, 6381844, 7977305, 15954610, 31909220]

約数ペア:

[(1, 31909220), (2, 15954610), (4, 7977305), (5, 6381844), (7, 4558460), (10, 3190922), (14, 2279230), (20, 1595461), (28, 1139615), (35, 911692), (70, 455846), (140, 227923), (317, 100660), (634, 50330), (719, 44380), (1268, 25165), (1438, 22190), (1585, 20132), (2219, 14380), (2876, 11095), (3170, 10066), (3595, 8876), (4438, 7190), (5033, 6340)]