7641800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2046

約数の個数: 48

約数和(自身を含む): 18711600

約数和(自身を除く): 11069800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 2011, 3800, 4022, 8044, 10055, 16088, 20110, 38209, 40220, 50275, 76418, 80440, 100550, 152836, 191045, 201100, 305672, 382090, 402200, 764180, 955225, 1528360, 1910450, 3820900, 7641800]

約数ペア:

[(1, 7641800), (2, 3820900), (4, 1910450), (5, 1528360), (8, 955225), (10, 764180), (19, 402200), (20, 382090), (25, 305672), (38, 201100), (40, 191045), (50, 152836), (76, 100550), (95, 80440), (100, 76418), (152, 50275), (190, 40220), (200, 38209), (380, 20110), (475, 16088), (760, 10055), (950, 8044), (1900, 4022), (2011, 3800)]