409156660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{7351}}^1$

素因数の和:7405

約数の個数: 72

約数和(自身を含む): 985638528

約数和(自身を除く): 576481868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1210, 1265, 2420, 2530, 2783, 5060, 5566, 7351, 11132, 13915, 14702, 27830, 29404, 36755, 55660, 73510, 80861, 147020, 161722, 169073, 323444, 338146, 404305, 676292, 808610, 845365, 889471, 1617220, 1690730, 1778942, 1859803, 3381460, 3557884, 3719606, 4447355, 7439212, 8894710, 9299015, 17789420, 18598030, 20457833, 37196060, 40915666, 81831332, 102289165, 204578330, 409156660]

約数ペア:

[(1, 409156660), (2, 204578330), (4, 102289165), (5, 81831332), (10, 40915666), (11, 37196060), (20, 20457833), (22, 18598030), (23, 17789420), (44, 9299015), (46, 8894710), (55, 7439212), (92, 4447355), (110, 3719606), (115, 3557884), (121, 3381460), (220, 1859803), (230, 1778942), (242, 1690730), (253, 1617220), (460, 889471), (484, 845365), (506, 808610), (605, 676292), (1012, 404305), (1210, 338146), (1265, 323444), (2420, 169073), (2530, 161722), (2783, 147020), (5060, 80861), (5566, 73510), (7351, 55660), (11132, 36755), (13915, 29404), (14702, 27830)]