1952020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 4773888

約数和(自身を除く): 2821868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 191, 292, 365, 382, 511, 730, 764, 955, 1022, 1337, 1460, 1910, 2044, 2555, 2674, 3820, 5110, 5348, 6685, 10220, 13370, 13943, 26740, 27886, 55772, 69715, 97601, 139430, 195202, 278860, 390404, 488005, 976010, 1952020]

約数ペア:

[(1, 1952020), (2, 976010), (4, 488005), (5, 390404), (7, 278860), (10, 195202), (14, 139430), (20, 97601), (28, 69715), (35, 55772), (70, 27886), (73, 26740), (140, 13943), (146, 13370), (191, 10220), (292, 6685), (365, 5348), (382, 5110), (511, 3820), (730, 2674), (764, 2555), (955, 2044), (1022, 1910), (1337, 1460)]