102007780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{728627}}^1$

素因数の和:728643

約数の個数: 24

約数和(自身を含む): 244819008

約数和(自身を除く): 142811228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 728627, 1457254, 2914508, 3643135, 5100389, 7286270, 10200778, 14572540, 20401556, 25501945, 51003890, 102007780]

約数ペア:

[(1, 102007780), (2, 51003890), (4, 25501945), (5, 20401556), (7, 14572540), (10, 10200778), (14, 7286270), (20, 5100389), (28, 3643135), (35, 2914508), (70, 1457254), (140, 728627)]