814376480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{267887}}^1$

素因数の和:267921

約数の個数: 48

約数和(自身を含む): 2025233280

約数和(自身を除く): 1210856800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 267887, 535774, 1071548, 1339435, 2143096, 2678870, 4286192, 5089853, 5357740, 8572384, 10179706, 10715480, 20359412, 21430960, 25449265, 40718824, 42861920, 50898530, 81437648, 101797060, 162875296, 203594120, 407188240, 814376480]

約数ペア:

[(1, 814376480), (2, 407188240), (4, 203594120), (5, 162875296), (8, 101797060), (10, 81437648), (16, 50898530), (19, 42861920), (20, 40718824), (32, 25449265), (38, 21430960), (40, 20359412), (76, 10715480), (80, 10179706), (95, 8572384), (152, 5357740), (160, 5089853), (190, 4286192), (304, 2678870), (380, 2143096), (608, 1339435), (760, 1071548), (1520, 535774), (3040, 267887)]