816831260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{19913}}^1$

素因数の和:20222

約数の個数: 48

約数和(自身を含む): 1967184576

約数和(自身を除く): 1150353316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 293, 586, 1172, 1465, 2051, 2930, 4102, 5860, 8204, 10255, 19913, 20510, 39826, 41020, 79652, 99565, 139391, 199130, 278782, 398260, 557564, 696955, 1393910, 2787820, 5834509, 11669018, 23338036, 29172545, 40841563, 58345090, 81683126, 116690180, 163366252, 204207815, 408415630, 816831260]

約数ペア:

[(1, 816831260), (2, 408415630), (4, 204207815), (5, 163366252), (7, 116690180), (10, 81683126), (14, 58345090), (20, 40841563), (28, 29172545), (35, 23338036), (70, 11669018), (140, 5834509), (293, 2787820), (586, 1393910), (1172, 696955), (1465, 557564), (2051, 398260), (2930, 278782), (4102, 199130), (5860, 139391), (8204, 99565), (10255, 79652), (19913, 41020), (20510, 39826)]