418512340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{10163}}^1$

素因数の和:10272

約数の個数: 48

約数和(自身を含む): 922078080

約数和(自身を除く): 503565740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 8236, 10163, 10295, 20326, 20590, 40652, 41180, 50815, 101630, 203260, 294727, 589454, 721573, 1178908, 1443146, 1473635, 2886292, 2947270, 3607865, 5894540, 7215730, 14431460, 20925617, 41851234, 83702468, 104628085, 209256170, 418512340]

約数ペア:

[(1, 418512340), (2, 209256170), (4, 104628085), (5, 83702468), (10, 41851234), (20, 20925617), (29, 14431460), (58, 7215730), (71, 5894540), (116, 3607865), (142, 2947270), (145, 2886292), (284, 1473635), (290, 1443146), (355, 1178908), (580, 721573), (710, 589454), (1420, 294727), (2059, 203260), (4118, 101630), (8236, 50815), (10163, 41180), (10295, 40652), (20326, 20590)]