12457940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3331}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 30227904

約数和(自身を除く): 17769964

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3331, 3740, 6662, 13324, 16655, 33310, 36641, 56627, 66620, 73282, 113254, 146564, 183205, 226508, 283135, 366410, 566270, 622897, 732820, 1132540, 1245794, 2491588, 3114485, 6228970, 12457940]

約数ペア:

[(1, 12457940), (2, 6228970), (4, 3114485), (5, 2491588), (10, 1245794), (11, 1132540), (17, 732820), (20, 622897), (22, 566270), (34, 366410), (44, 283135), (55, 226508), (68, 183205), (85, 146564), (110, 113254), (170, 73282), (187, 66620), (220, 56627), (340, 36641), (374, 33310), (748, 16655), (935, 13324), (1870, 6662), (3331, 3740)]