7861480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1051}}^1$

素因数の和:1090

約数の個数: 64

約数和(自身を含む): 20450880

約数和(自身を除く): 12589400

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1051, 1496, 1870, 2102, 3740, 4204, 5255, 7480, 8408, 10510, 11561, 17867, 21020, 23122, 35734, 42040, 46244, 57805, 71468, 89335, 92488, 115610, 142936, 178670, 196537, 231220, 357340, 393074, 462440, 714680, 786148, 982685, 1572296, 1965370, 3930740, 7861480]

約数ペア:

[(1, 7861480), (2, 3930740), (4, 1965370), (5, 1572296), (8, 982685), (10, 786148), (11, 714680), (17, 462440), (20, 393074), (22, 357340), (34, 231220), (40, 196537), (44, 178670), (55, 142936), (68, 115610), (85, 92488), (88, 89335), (110, 71468), (136, 57805), (170, 46244), (187, 42040), (220, 35734), (340, 23122), (374, 21020), (440, 17867), (680, 11561), (748, 10510), (935, 8408), (1051, 7480), (1496, 5255), (1870, 4204), (2102, 3740)]