7881580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2963}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 19918080

約数和(自身を除く): 12036500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 2963, 5926, 11852, 14815, 20741, 29630, 41482, 56297, 59260, 82964, 103705, 112594, 207410, 225188, 281485, 394079, 414820, 562970, 788158, 1125940, 1576316, 1970395, 3940790, 7881580]

約数ペア:

[(1, 7881580), (2, 3940790), (4, 1970395), (5, 1576316), (7, 1125940), (10, 788158), (14, 562970), (19, 414820), (20, 394079), (28, 281485), (35, 225188), (38, 207410), (70, 112594), (76, 103705), (95, 82964), (133, 59260), (140, 56297), (190, 41482), (266, 29630), (380, 20741), (532, 14815), (665, 11852), (1330, 5926), (2660, 2963)]