409826780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{2269}}^1$

素因数の和:3110

約数の個数: 48

約数和(自身を含む): 940433760

約数和(自身を除く): 530606980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 821, 1642, 2269, 3284, 4105, 4538, 8210, 9031, 9076, 11345, 16420, 18062, 22690, 24959, 36124, 45155, 45380, 49918, 90310, 99836, 124795, 180620, 249590, 499180, 1862849, 3725698, 7451396, 9314245, 18628490, 20491339, 37256980, 40982678, 81965356, 102456695, 204913390, 409826780]

約数ペア:

[(1, 409826780), (2, 204913390), (4, 102456695), (5, 81965356), (10, 40982678), (11, 37256980), (20, 20491339), (22, 18628490), (44, 9314245), (55, 7451396), (110, 3725698), (220, 1862849), (821, 499180), (1642, 249590), (2269, 180620), (3284, 124795), (4105, 99836), (4538, 90310), (8210, 49918), (9031, 45380), (9076, 45155), (11345, 36124), (16420, 24959), (18062, 22690)]