725347280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1295263}}^1$

素因数の和:1295283

約数の個数: 40

約数和(自身を含む): 1927352832

約数和(自身を除く): 1202005552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1295263, 2590526, 5181052, 6476315, 9066841, 10362104, 12952630, 18133682, 20724208, 25905260, 36267364, 45334205, 51810520, 72534728, 90668410, 103621040, 145069456, 181336820, 362673640, 725347280]

約数ペア:

[(1, 725347280), (2, 362673640), (4, 181336820), (5, 145069456), (7, 103621040), (8, 90668410), (10, 72534728), (14, 51810520), (16, 45334205), (20, 36267364), (28, 25905260), (35, 20724208), (40, 18133682), (56, 12952630), (70, 10362104), (80, 9066841), (112, 6476315), (140, 5181052), (280, 2590526), (560, 1295263)]