1749451880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{1997}}^1$

素因数の和:2211

約数の個数: 96

約数和(自身を含む): 4352722920

約数和(自身を除く): 2603271040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 181, 220, 242, 362, 440, 484, 605, 724, 905, 968, 1210, 1448, 1810, 1991, 1997, 2420, 3620, 3982, 3994, 4840, 7240, 7964, 7988, 9955, 9985, 15928, 15976, 19910, 19970, 21901, 21967, 39820, 39940, 43802, 43934, 79640, 79880, 87604, 87868, 109505, 109835, 175208, 175736, 219010, 219670, 241637, 361457, 438020, 439340, 483274, 722914, 876040, 878680, 966548, 1208185, 1445828, 1807285, 1933096, 2416370, 2891656, 3614570, 3976027, 4832740, 7229140, 7952054, 9665480, 14458280, 15904108, 19880135, 31808216, 39760270, 43736297, 79520540, 87472594, 159041080, 174945188, 218681485, 349890376, 437362970, 874725940, 1749451880]

約数ペア:

[(1, 1749451880), (2, 874725940), (4, 437362970), (5, 349890376), (8, 218681485), (10, 174945188), (11, 159041080), (20, 87472594), (22, 79520540), (40, 43736297), (44, 39760270), (55, 31808216), (88, 19880135), (110, 15904108), (121, 14458280), (181, 9665480), (220, 7952054), (242, 7229140), (362, 4832740), (440, 3976027), (484, 3614570), (605, 2891656), (724, 2416370), (905, 1933096), (968, 1807285), (1210, 1445828), (1448, 1208185), (1810, 966548), (1991, 878680), (1997, 876040), (2420, 722914), (3620, 483274), (3982, 439340), (3994, 438020), (4840, 361457), (7240, 241637), (7964, 219670), (7988, 219010), (9955, 175736), (9985, 175208), (15928, 109835), (15976, 109505), (19910, 87868), (19970, 87604), (21901, 79880), (21967, 79640), (39820, 43934), (39940, 43802)]