290492960

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{17627}}^1$

素因数の和:17745

約数の個数: 48

約数和(自身を含む): 692991936

約数和(自身を除く): 402498976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 16480, 17627, 35254, 70508, 88135, 141016, 176270, 282032, 352540, 564064, 705080, 1410160, 1815581, 2820320, 3631162, 7262324, 9077905, 14524648, 18155810, 29049296, 36311620, 58098592, 72623240, 145246480, 290492960]

約数ペア:

[(1, 290492960), (2, 145246480), (4, 72623240), (5, 58098592), (8, 36311620), (10, 29049296), (16, 18155810), (20, 14524648), (32, 9077905), (40, 7262324), (80, 3631162), (103, 2820320), (160, 1815581), (206, 1410160), (412, 705080), (515, 564064), (824, 352540), (1030, 282032), (1648, 176270), (2060, 141016), (3296, 88135), (4120, 70508), (8240, 35254), (16480, 17627)]