73931980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{12791}}^1$

素因数の和:12834

約数の個数: 36

約数和(自身を含む): 164940048

約数和(自身を除く): 91008068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1445, 2890, 5780, 12791, 25582, 51164, 63955, 127910, 217447, 255820, 434894, 869788, 1087235, 2174470, 3696599, 4348940, 7393198, 14786396, 18482995, 36965990, 73931980]

約数ペア:

[(1, 73931980), (2, 36965990), (4, 18482995), (5, 14786396), (10, 7393198), (17, 4348940), (20, 3696599), (34, 2174470), (68, 1087235), (85, 869788), (170, 434894), (289, 255820), (340, 217447), (578, 127910), (1156, 63955), (1445, 51164), (2890, 25582), (5780, 12791)]