206688220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1\times {\mathrm{823}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 450596160

約数和(自身を除く): 243907940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 433, 580, 823, 866, 1646, 1732, 2165, 3292, 4115, 4330, 8230, 8660, 12557, 16460, 23867, 25114, 47734, 50228, 62785, 95468, 119335, 125570, 238670, 251140, 356359, 477340, 712718, 1425436, 1781795, 3563590, 7127180, 10334411, 20668822, 41337644, 51672055, 103344110, 206688220]

約数ペア:

[(1, 206688220), (2, 103344110), (4, 51672055), (5, 41337644), (10, 20668822), (20, 10334411), (29, 7127180), (58, 3563590), (116, 1781795), (145, 1425436), (290, 712718), (433, 477340), (580, 356359), (823, 251140), (866, 238670), (1646, 125570), (1732, 119335), (2165, 95468), (3292, 62785), (4115, 50228), (4330, 47734), (8230, 25114), (8660, 23867), (12557, 16460)]