125292020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127849}}^1$

素因数の和:127872

約数の個数: 36

約数和(自身を含む): 306072900

約数和(自身を除く): 180780880

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 127849, 255698, 511396, 639245, 894943, 1278490, 1789886, 2556980, 3579772, 4474715, 6264601, 8949430, 12529202, 17898860, 25058404, 31323005, 62646010, 125292020]

約数ペア:

[(1, 125292020), (2, 62646010), (4, 31323005), (5, 25058404), (7, 17898860), (10, 12529202), (14, 8949430), (20, 6264601), (28, 4474715), (35, 3579772), (49, 2556980), (70, 1789886), (98, 1278490), (140, 894943), (196, 639245), (245, 511396), (490, 255698), (980, 127849)]