209517280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{187069}}^1$

素因数の和:187091

約数の個数: 48

約数和(自身を含む): 565699680

約数和(自身を除く): 356182400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 187069, 374138, 748276, 935345, 1309483, 1496552, 1870690, 2618966, 2993104, 3741380, 5237932, 5986208, 6547415, 7482760, 10475864, 13094830, 14965520, 20951728, 26189660, 29931040, 41903456, 52379320, 104758640, 209517280]

約数ペア:

[(1, 209517280), (2, 104758640), (4, 52379320), (5, 41903456), (7, 29931040), (8, 26189660), (10, 20951728), (14, 14965520), (16, 13094830), (20, 10475864), (28, 7482760), (32, 6547415), (35, 5986208), (40, 5237932), (56, 3741380), (70, 2993104), (80, 2618966), (112, 1870690), (140, 1496552), (160, 1309483), (224, 935345), (280, 748276), (560, 374138), (1120, 187069)]