636698860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1427}}^1\times {\mathrm{3187}}^1$

素因数の和:4630

約数の個数: 48

約数和(自身を含む): 1529627904

約数和(自身を除く): 892929044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1427, 2854, 3187, 5708, 6374, 7135, 9989, 12748, 14270, 15935, 19978, 22309, 28540, 31870, 39956, 44618, 49945, 63740, 89236, 99890, 111545, 199780, 223090, 446180, 4547849, 9095698, 18191396, 22739245, 31834943, 45478490, 63669886, 90956980, 127339772, 159174715, 318349430, 636698860]

約数ペア:

[(1, 636698860), (2, 318349430), (4, 159174715), (5, 127339772), (7, 90956980), (10, 63669886), (14, 45478490), (20, 31834943), (28, 22739245), (35, 18191396), (70, 9095698), (140, 4547849), (1427, 446180), (2854, 223090), (3187, 199780), (5708, 111545), (6374, 99890), (7135, 89236), (9989, 63740), (12748, 49945), (14270, 44618), (15935, 39956), (19978, 31870), (22309, 28540)]