220147480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{786241}}^1$

素因数の和:786259

約数の個数: 32

約数和(自身を含む): 566094240

約数和(自身を除く): 345946760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 786241, 1572482, 3144964, 3931205, 5503687, 6289928, 7862410, 11007374, 15724820, 22014748, 27518435, 31449640, 44029496, 55036870, 110073740, 220147480]

約数ペア:

[(1, 220147480), (2, 110073740), (4, 55036870), (5, 44029496), (7, 31449640), (8, 27518435), (10, 22014748), (14, 15724820), (20, 11007374), (28, 7862410), (35, 6289928), (40, 5503687), (56, 3931205), (70, 3144964), (140, 1572482), (280, 786241)]