98578540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{487}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 215208000

約数和(自身を除く): 116629460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 349, 487, 580, 698, 974, 1396, 1745, 1948, 2435, 3490, 4870, 6980, 9740, 10121, 14123, 20242, 28246, 40484, 50605, 56492, 70615, 101210, 141230, 169963, 202420, 282460, 339926, 679852, 849815, 1699630, 3399260, 4928927, 9857854, 19715708, 24644635, 49289270, 98578540]

約数ペア:

[(1, 98578540), (2, 49289270), (4, 24644635), (5, 19715708), (10, 9857854), (20, 4928927), (29, 3399260), (58, 1699630), (116, 849815), (145, 679852), (290, 339926), (349, 282460), (487, 202420), (580, 169963), (698, 141230), (974, 101210), (1396, 70615), (1745, 56492), (1948, 50605), (2435, 40484), (3490, 28246), (4870, 20242), (6980, 14123), (9740, 10121)]