1231700

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 2721180

約数和(自身を除く): 1489480

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 113, 218, 226, 436, 452, 545, 565, 1090, 1130, 2180, 2260, 2725, 2825, 5450, 5650, 10900, 11300, 12317, 24634, 49268, 61585, 123170, 246340, 307925, 615850, 1231700]

約数ペア:

[(1, 1231700), (2, 615850), (4, 307925), (5, 246340), (10, 123170), (20, 61585), (25, 49268), (50, 24634), (100, 12317), (109, 11300), (113, 10900), (218, 5650), (226, 5450), (436, 2825), (452, 2725), (545, 2260), (565, 2180), (1090, 1130)]