1284700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:486

約数の個数: 36

約数和(自身を含む): 2890440

約数和(自身を除く): 1605740

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 290, 443, 580, 725, 886, 1450, 1772, 2215, 2900, 4430, 8860, 11075, 12847, 22150, 25694, 44300, 51388, 64235, 128470, 256940, 321175, 642350, 1284700]

約数ペア:

[(1, 1284700), (2, 642350), (4, 321175), (5, 256940), (10, 128470), (20, 64235), (25, 51388), (29, 44300), (50, 25694), (58, 22150), (100, 12847), (116, 11075), (145, 8860), (290, 4430), (443, 2900), (580, 2215), (725, 1772), (886, 1450)]