3904040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 10229760

約数和(自身を除く): 6325720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 191, 280, 292, 365, 382, 511, 584, 730, 764, 955, 1022, 1337, 1460, 1528, 1910, 2044, 2555, 2674, 2920, 3820, 4088, 5110, 5348, 6685, 7640, 10220, 10696, 13370, 13943, 20440, 26740, 27886, 53480, 55772, 69715, 97601, 111544, 139430, 195202, 278860, 390404, 488005, 557720, 780808, 976010, 1952020, 3904040]

約数ペア:

[(1, 3904040), (2, 1952020), (4, 976010), (5, 780808), (7, 557720), (8, 488005), (10, 390404), (14, 278860), (20, 195202), (28, 139430), (35, 111544), (40, 97601), (56, 69715), (70, 55772), (73, 53480), (140, 27886), (146, 26740), (191, 20440), (280, 13943), (292, 13370), (365, 10696), (382, 10220), (511, 7640), (584, 6685), (730, 5348), (764, 5110), (955, 4088), (1022, 3820), (1337, 2920), (1460, 2674), (1528, 2555), (1910, 2044)]