7886526740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1\times {\mathrm{3167}}^1$

素因数の和:4664

約数の個数: 48

約数和(自身を含む): 16765056000

約数和(自身を除く): 8878529260

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1399, 1780, 2798, 3167, 5596, 6334, 6995, 12668, 13990, 15835, 27980, 31670, 63340, 124511, 249022, 281863, 498044, 563726, 622555, 1127452, 1245110, 1409315, 2490220, 2818630, 4430633, 5637260, 8861266, 17722532, 22153165, 44306330, 88612660, 394326337, 788652674, 1577305348, 1971631685, 3943263370, 7886526740]

約数ペア:

[(1, 7886526740), (2, 3943263370), (4, 1971631685), (5, 1577305348), (10, 788652674), (20, 394326337), (89, 88612660), (178, 44306330), (356, 22153165), (445, 17722532), (890, 8861266), (1399, 5637260), (1780, 4430633), (2798, 2818630), (3167, 2490220), (5596, 1409315), (6334, 1245110), (6995, 1127452), (12668, 622555), (13990, 563726), (15835, 498044), (27980, 281863), (31670, 249022), (63340, 124511)]