788425180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{8287}}^1$

素因数の和:8434

約数の個数: 48

約数和(自身を含む): 1704278016

約数和(自身を除く): 915852836

約数列:

[1, 2, 4, 5, 10, 20, 67, 71, 134, 142, 268, 284, 335, 355, 670, 710, 1340, 1420, 4757, 8287, 9514, 16574, 19028, 23785, 33148, 41435, 47570, 82870, 95140, 165740, 555229, 588377, 1110458, 1176754, 2220916, 2353508, 2776145, 2941885, 5552290, 5883770, 11104580, 11767540, 39421259, 78842518, 157685036, 197106295, 394212590, 788425180]

約数ペア:

[(1, 788425180), (2, 394212590), (4, 197106295), (5, 157685036), (10, 78842518), (20, 39421259), (67, 11767540), (71, 11104580), (134, 5883770), (142, 5552290), (268, 2941885), (284, 2776145), (335, 2353508), (355, 2220916), (670, 1176754), (710, 1110458), (1340, 588377), (1420, 555229), (4757, 165740), (8287, 95140), (9514, 82870), (16574, 47570), (19028, 41435), (23785, 33148)]