70118860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1249}}^1$

素因数の和:1666

約数の個数: 48

約数和(自身を含む): 168840000

約数和(自身を除く): 98721140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 401, 802, 1249, 1604, 2005, 2498, 2807, 4010, 4996, 5614, 6245, 8020, 8743, 11228, 12490, 14035, 17486, 24980, 28070, 34972, 43715, 56140, 87430, 174860, 500849, 1001698, 2003396, 2504245, 3505943, 5008490, 7011886, 10016980, 14023772, 17529715, 35059430, 70118860]

約数ペア:

[(1, 70118860), (2, 35059430), (4, 17529715), (5, 14023772), (7, 10016980), (10, 7011886), (14, 5008490), (20, 3505943), (28, 2504245), (35, 2003396), (70, 1001698), (140, 500849), (401, 174860), (802, 87430), (1249, 56140), (1604, 43715), (2005, 34972), (2498, 28070), (2807, 24980), (4010, 17486), (4996, 14035), (5614, 12490), (6245, 11228), (8020, 8743)]