74981480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{267791}}^1$

素因数の和:267809

約数の個数: 32

約数和(自身を含む): 192810240

約数和(自身を除く): 117828760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 267791, 535582, 1071164, 1338955, 1874537, 2142328, 2677910, 3749074, 5355820, 7498148, 9372685, 10711640, 14996296, 18745370, 37490740, 74981480]

約数ペア:

[(1, 74981480), (2, 37490740), (4, 18745370), (5, 14996296), (7, 10711640), (8, 9372685), (10, 7498148), (14, 5355820), (20, 3749074), (28, 2677910), (35, 2142328), (40, 1874537), (56, 1338955), (70, 1071164), (140, 535582), (280, 267791)]