128519380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2551}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 295827840

約数和(自身を除く): 167308460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 916, 1145, 2290, 2519, 2551, 4580, 5038, 5102, 10076, 10204, 12595, 12755, 25190, 25510, 28061, 50380, 51020, 56122, 112244, 140305, 280610, 561220, 584179, 1168358, 2336716, 2920895, 5841790, 6425969, 11683580, 12851938, 25703876, 32129845, 64259690, 128519380]

約数ペア:

[(1, 128519380), (2, 64259690), (4, 32129845), (5, 25703876), (10, 12851938), (11, 11683580), (20, 6425969), (22, 5841790), (44, 2920895), (55, 2336716), (110, 1168358), (220, 584179), (229, 561220), (458, 280610), (916, 140305), (1145, 112244), (2290, 56122), (2519, 51020), (2551, 50380), (4580, 28061), (5038, 25510), (5102, 25190), (10076, 12755), (10204, 12595)]