668191580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4772797}}^1$

素因数の和:4772813

約数の個数: 24

約数和(自身を含む): 1603660128

約数和(自身を除く): 935468548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4772797, 9545594, 19091188, 23863985, 33409579, 47727970, 66819158, 95455940, 133638316, 167047895, 334095790, 668191580]

約数ペア:

[(1, 668191580), (2, 334095790), (4, 167047895), (5, 133638316), (7, 95455940), (10, 66819158), (14, 47727970), (20, 33409579), (28, 23863985), (35, 19091188), (70, 9545594), (140, 4772797)]