220343480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{786941}}^1$

素因数の和:786959

約数の個数: 32

約数和(自身を含む): 566598240

約数和(自身を除く): 346254760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 786941, 1573882, 3147764, 3934705, 5508587, 6295528, 7869410, 11017174, 15738820, 22034348, 27542935, 31477640, 44068696, 55085870, 110171740, 220343480]

約数ペア:

[(1, 220343480), (2, 110171740), (4, 55085870), (5, 44068696), (7, 31477640), (8, 27542935), (10, 22034348), (14, 15738820), (20, 11017174), (28, 7869410), (35, 6295528), (40, 5508587), (56, 3934705), (70, 3147764), (140, 1573882), (280, 786941)]