858171020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{7577}}^1$

素因数の和:8402

約数の個数: 48

約数和(自身を含む): 2062428480

約数和(自身を除く): 1204257460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 809, 1618, 3236, 4045, 5663, 7577, 8090, 11326, 15154, 16180, 22652, 28315, 30308, 37885, 53039, 56630, 75770, 106078, 113260, 151540, 212156, 265195, 530390, 1060780, 6129793, 12259586, 24519172, 30648965, 42908551, 61297930, 85817102, 122595860, 171634204, 214542755, 429085510, 858171020]

約数ペア:

[(1, 858171020), (2, 429085510), (4, 214542755), (5, 171634204), (7, 122595860), (10, 85817102), (14, 61297930), (20, 42908551), (28, 30648965), (35, 24519172), (70, 12259586), (140, 6129793), (809, 1060780), (1618, 530390), (3236, 265195), (4045, 212156), (5663, 151540), (7577, 113260), (8090, 106078), (11326, 75770), (15154, 56630), (16180, 53039), (22652, 37885), (28315, 30308)]