201901220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12959}}^1$

素因数の和:13028

約数の個数: 48

約数和(自身を含む): 457228800

約数和(自身を除く): 255327580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 3116, 3895, 7790, 12959, 15580, 25918, 51836, 64795, 129590, 246221, 259180, 492442, 531319, 984884, 1062638, 1231105, 2125276, 2462210, 2656595, 4924420, 5313190, 10095061, 10626380, 20190122, 40380244, 50475305, 100950610, 201901220]

約数ペア:

[(1, 201901220), (2, 100950610), (4, 50475305), (5, 40380244), (10, 20190122), (19, 10626380), (20, 10095061), (38, 5313190), (41, 4924420), (76, 2656595), (82, 2462210), (95, 2125276), (164, 1231105), (190, 1062638), (205, 984884), (380, 531319), (410, 492442), (779, 259180), (820, 246221), (1558, 129590), (3116, 64795), (3895, 51836), (7790, 25918), (12959, 15580)]