8901260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 19656000

約数和(自身を除く): 10754740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 103, 116, 145, 149, 206, 290, 298, 412, 515, 580, 596, 745, 1030, 1490, 2060, 2980, 2987, 4321, 5974, 8642, 11948, 14935, 15347, 17284, 21605, 29870, 30694, 43210, 59740, 61388, 76735, 86420, 153470, 306940, 445063, 890126, 1780252, 2225315, 4450630, 8901260]

約数ペア:

[(1, 8901260), (2, 4450630), (4, 2225315), (5, 1780252), (10, 890126), (20, 445063), (29, 306940), (58, 153470), (103, 86420), (116, 76735), (145, 61388), (149, 59740), (206, 43210), (290, 30694), (298, 29870), (412, 21605), (515, 17284), (580, 15347), (596, 14935), (745, 11948), (1030, 8642), (1490, 5974), (2060, 4321), (2980, 2987)]