1428680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 3732480

約数和(自身を除く): 2303800

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 191, 220, 340, 374, 382, 440, 680, 748, 764, 935, 955, 1496, 1528, 1870, 1910, 2101, 3247, 3740, 3820, 4202, 6494, 7480, 7640, 8404, 10505, 12988, 16235, 16808, 21010, 25976, 32470, 35717, 42020, 64940, 71434, 84040, 129880, 142868, 178585, 285736, 357170, 714340, 1428680]

約数ペア:

[(1, 1428680), (2, 714340), (4, 357170), (5, 285736), (8, 178585), (10, 142868), (11, 129880), (17, 84040), (20, 71434), (22, 64940), (34, 42020), (40, 35717), (44, 32470), (55, 25976), (68, 21010), (85, 16808), (88, 16235), (110, 12988), (136, 10505), (170, 8404), (187, 7640), (191, 7480), (220, 6494), (340, 4202), (374, 3820), (382, 3740), (440, 3247), (680, 2101), (748, 1910), (764, 1870), (935, 1528), (955, 1496)]