4198180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 10192896

約数和(自身を除く): 5994716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 191, 314, 382, 628, 764, 785, 955, 1099, 1337, 1570, 1910, 2198, 2674, 3140, 3820, 4396, 5348, 5495, 6685, 10990, 13370, 21980, 26740, 29987, 59974, 119948, 149935, 209909, 299870, 419818, 599740, 839636, 1049545, 2099090, 4198180]

約数ペア:

[(1, 4198180), (2, 2099090), (4, 1049545), (5, 839636), (7, 599740), (10, 419818), (14, 299870), (20, 209909), (28, 149935), (35, 119948), (70, 59974), (140, 29987), (157, 26740), (191, 21980), (314, 13370), (382, 10990), (628, 6685), (764, 5495), (785, 5348), (955, 4396), (1099, 3820), (1337, 3140), (1570, 2674), (1910, 2198)]