31631180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{2237}}^1$

素因数の和:2354

約数の個数: 48

約数和(自身を含む): 76700736

約数和(自身を除く): 45069556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2237, 2828, 3535, 4474, 7070, 8948, 11185, 14140, 15659, 22370, 31318, 44740, 62636, 78295, 156590, 225937, 313180, 451874, 903748, 1129685, 1581559, 2259370, 3163118, 4518740, 6326236, 7907795, 15815590, 31631180]

約数ペア:

[(1, 31631180), (2, 15815590), (4, 7907795), (5, 6326236), (7, 4518740), (10, 3163118), (14, 2259370), (20, 1581559), (28, 1129685), (35, 903748), (70, 451874), (101, 313180), (140, 225937), (202, 156590), (404, 78295), (505, 62636), (707, 44740), (1010, 31318), (1414, 22370), (2020, 15659), (2237, 14140), (2828, 11185), (3535, 8948), (4474, 7070)]