1392309040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{1783}}^1$

素因数の和:2066

約数の個数: 80

約数和(自身を含む): 3328858368

約数和(自身を除く): 1936549328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 227, 344, 430, 454, 688, 860, 908, 1135, 1720, 1783, 1816, 2270, 3440, 3566, 3632, 4540, 7132, 8915, 9080, 9761, 14264, 17830, 18160, 19522, 28528, 35660, 39044, 48805, 71320, 76669, 78088, 97610, 142640, 153338, 156176, 195220, 306676, 383345, 390440, 404741, 613352, 766690, 780880, 809482, 1226704, 1533380, 1618964, 2023705, 3066760, 3237928, 4047410, 6133520, 6475856, 8094820, 16189640, 17403863, 32379280, 34807726, 69615452, 87019315, 139230904, 174038630, 278461808, 348077260, 696154520, 1392309040]

約数ペア:

[(1, 1392309040), (2, 696154520), (4, 348077260), (5, 278461808), (8, 174038630), (10, 139230904), (16, 87019315), (20, 69615452), (40, 34807726), (43, 32379280), (80, 17403863), (86, 16189640), (172, 8094820), (215, 6475856), (227, 6133520), (344, 4047410), (430, 3237928), (454, 3066760), (688, 2023705), (860, 1618964), (908, 1533380), (1135, 1226704), (1720, 809482), (1783, 780880), (1816, 766690), (2270, 613352), (3440, 404741), (3566, 390440), (3632, 383345), (4540, 306676), (7132, 195220), (8915, 156176), (9080, 153338), (9761, 142640), (14264, 97610), (17830, 78088), (18160, 76669), (19522, 71320), (28528, 48805), (35660, 39044)]