216920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:68

約数の個数: 64

約数和(自身を含む): 583200

約数和(自身を除く): 366280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 29, 34, 40, 44, 55, 58, 68, 85, 88, 110, 116, 136, 145, 170, 187, 220, 232, 290, 319, 340, 374, 440, 493, 580, 638, 680, 748, 935, 986, 1160, 1276, 1496, 1595, 1870, 1972, 2465, 2552, 3190, 3740, 3944, 4930, 5423, 6380, 7480, 9860, 10846, 12760, 19720, 21692, 27115, 43384, 54230, 108460, 216920]

約数ペア:

[(1, 216920), (2, 108460), (4, 54230), (5, 43384), (8, 27115), (10, 21692), (11, 19720), (17, 12760), (20, 10846), (22, 9860), (29, 7480), (34, 6380), (40, 5423), (44, 4930), (55, 3944), (58, 3740), (68, 3190), (85, 2552), (88, 2465), (110, 1972), (116, 1870), (136, 1595), (145, 1496), (170, 1276), (187, 1160), (220, 986), (232, 935), (290, 748), (319, 680), (340, 638), (374, 580), (440, 493)]