199901204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 378840000

約数和(自身を除く): 178938796

約数列:

[1, 2, 4, 19, 38, 59, 76, 109, 118, 218, 236, 409, 436, 818, 1121, 1636, 2071, 2242, 4142, 4484, 6431, 7771, 8284, 12862, 15542, 24131, 25724, 31084, 44581, 48262, 89162, 96524, 122189, 178324, 244378, 458489, 488756, 847039, 916978, 1694078, 1833956, 2630279, 3388156, 5260558, 10521116, 49975301, 99950602, 199901204]

約数ペア:

[(1, 199901204), (2, 99950602), (4, 49975301), (19, 10521116), (38, 5260558), (59, 3388156), (76, 2630279), (109, 1833956), (118, 1694078), (218, 916978), (236, 847039), (409, 488756), (436, 458489), (818, 244378), (1121, 178324), (1636, 122189), (2071, 96524), (2242, 89162), (4142, 48262), (4484, 44581), (6431, 31084), (7771, 25724), (8284, 24131), (12862, 15542)]