27906140

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 61656672

約数和(自身を除く): 33750532

約数列:

[1, 2, 4, 5, 10, 20, 37, 43, 74, 86, 148, 172, 185, 215, 370, 430, 740, 860, 877, 1591, 1754, 3182, 3508, 4385, 6364, 7955, 8770, 15910, 17540, 31820, 32449, 37711, 64898, 75422, 129796, 150844, 162245, 188555, 324490, 377110, 648980, 754220, 1395307, 2790614, 5581228, 6976535, 13953070, 27906140]

約数ペア:

[(1, 27906140), (2, 13953070), (4, 6976535), (5, 5581228), (10, 2790614), (20, 1395307), (37, 754220), (43, 648980), (74, 377110), (86, 324490), (148, 188555), (172, 162245), (185, 150844), (215, 129796), (370, 75422), (430, 64898), (740, 37711), (860, 32449), (877, 31820), (1591, 17540), (1754, 15910), (3182, 8770), (3508, 7955), (4385, 6364)]