2481400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 6082200

約数和(自身を除く): 3600800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 653, 760, 950, 1306, 1900, 2612, 3265, 3800, 5224, 6530, 12407, 13060, 16325, 24814, 26120, 32650, 49628, 62035, 65300, 99256, 124070, 130600, 248140, 310175, 496280, 620350, 1240700, 2481400]

約数ペア:

[(1, 2481400), (2, 1240700), (4, 620350), (5, 496280), (8, 310175), (10, 248140), (19, 130600), (20, 124070), (25, 99256), (38, 65300), (40, 62035), (50, 49628), (76, 32650), (95, 26120), (100, 24814), (152, 16325), (190, 13060), (200, 12407), (380, 6530), (475, 5224), (653, 3800), (760, 3265), (950, 2612), (1306, 1900)]