2480500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:82

約数の個数: 72

約数和(自身を含む): 6099912

約数和(自身を除く): 3619412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 121, 125, 164, 205, 220, 242, 250, 275, 410, 451, 484, 500, 550, 605, 820, 902, 1025, 1100, 1210, 1375, 1804, 2050, 2255, 2420, 2750, 3025, 4100, 4510, 4961, 5125, 5500, 6050, 9020, 9922, 10250, 11275, 12100, 15125, 19844, 20500, 22550, 24805, 30250, 45100, 49610, 56375, 60500, 99220, 112750, 124025, 225500, 248050, 496100, 620125, 1240250, 2480500]

約数ペア:

[(1, 2480500), (2, 1240250), (4, 620125), (5, 496100), (10, 248050), (11, 225500), (20, 124025), (22, 112750), (25, 99220), (41, 60500), (44, 56375), (50, 49610), (55, 45100), (82, 30250), (100, 24805), (110, 22550), (121, 20500), (125, 19844), (164, 15125), (205, 12100), (220, 11275), (242, 10250), (250, 9922), (275, 9020), (410, 6050), (451, 5500), (484, 5125), (500, 4961), (550, 4510), (605, 4100), (820, 3025), (902, 2750), (1025, 2420), (1100, 2255), (1210, 2050), (1375, 1804)]