248205020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1772893}}^1$

素因数の和:1772909

約数の個数: 24

約数和(自身を含む): 595692384

約数和(自身を除く): 347487364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1772893, 3545786, 7091572, 8864465, 12410251, 17728930, 24820502, 35457860, 49641004, 62051255, 124102510, 248205020]

約数ペア:

[(1, 248205020), (2, 124102510), (4, 62051255), (5, 49641004), (7, 35457860), (10, 24820502), (14, 17728930), (20, 12410251), (28, 8864465), (35, 7091572), (70, 3545786), (140, 1772893)]