28999960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3877}}^1$

素因数の和:3916

約数の個数: 64

約数和(自身を含む): 75388320

約数和(自身を除く): 46388360

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, 1496, 1870, 3740, 3877, 7480, 7754, 15508, 19385, 31016, 38770, 42647, 65909, 77540, 85294, 131818, 155080, 170588, 213235, 263636, 329545, 341176, 426470, 527272, 659090, 724999, 852940, 1318180, 1449998, 1705880, 2636360, 2899996, 3624995, 5799992, 7249990, 14499980, 28999960]

約数ペア:

[(1, 28999960), (2, 14499980), (4, 7249990), (5, 5799992), (8, 3624995), (10, 2899996), (11, 2636360), (17, 1705880), (20, 1449998), (22, 1318180), (34, 852940), (40, 724999), (44, 659090), (55, 527272), (68, 426470), (85, 341176), (88, 329545), (110, 263636), (136, 213235), (170, 170588), (187, 155080), (220, 131818), (340, 85294), (374, 77540), (440, 65909), (680, 42647), (748, 38770), (935, 31016), (1496, 19385), (1870, 15508), (3740, 7754), (3877, 7480)]