149733980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{829}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 343859040

約数和(自身を除く): 194125060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 821, 829, 1642, 1658, 3284, 3316, 4105, 4145, 8210, 8290, 9031, 9119, 16420, 16580, 18062, 18238, 36124, 36476, 45155, 45595, 90310, 91190, 180620, 182380, 680609, 1361218, 2722436, 3403045, 6806090, 7486699, 13612180, 14973398, 29946796, 37433495, 74866990, 149733980]

約数ペア:

[(1, 149733980), (2, 74866990), (4, 37433495), (5, 29946796), (10, 14973398), (11, 13612180), (20, 7486699), (22, 6806090), (44, 3403045), (55, 2722436), (110, 1361218), (220, 680609), (821, 182380), (829, 180620), (1642, 91190), (1658, 90310), (3284, 45595), (3316, 45155), (4105, 36476), (4145, 36124), (8210, 18238), (8290, 18062), (9031, 16580), (9119, 16420)]