229719140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1640851}}^1$

素因数の和:1640867

約数の個数: 24

約数和(自身を含む): 551326272

約数和(自身を除く): 321607132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1640851, 3281702, 6563404, 8204255, 11485957, 16408510, 22971914, 32817020, 45943828, 57429785, 114859570, 229719140]

約数ペア:

[(1, 229719140), (2, 114859570), (4, 57429785), (5, 45943828), (7, 32817020), (10, 22971914), (14, 16408510), (20, 11485957), (28, 8204255), (35, 6563404), (70, 3281702), (140, 1640851)]