428765900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{99713}}^1$

素因数の和:99770

約数の個数: 36

約数和(自身を含む): 952069272

約数和(自身を除く): 523303372

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 99713, 199426, 398852, 498565, 997130, 1994260, 2492825, 4287659, 4985650, 8575318, 9971300, 17150636, 21438295, 42876590, 85753180, 107191475, 214382950, 428765900]

約数ペア:

[(1, 428765900), (2, 214382950), (4, 107191475), (5, 85753180), (10, 42876590), (20, 21438295), (25, 17150636), (43, 9971300), (50, 8575318), (86, 4985650), (100, 4287659), (172, 2492825), (215, 1994260), (430, 997130), (860, 498565), (1075, 398852), (2150, 199426), (4300, 99713)]