7727870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 14839200

約数和(自身を除く): 7111330

約数列:

[1, 2, 5, 10, 19, 38, 89, 95, 178, 190, 445, 457, 890, 914, 1691, 2285, 3382, 4570, 8455, 8683, 16910, 17366, 40673, 43415, 81346, 86830, 203365, 406730, 772787, 1545574, 3863935, 7727870]

約数ペア:

[(1, 7727870), (2, 3863935), (5, 1545574), (10, 772787), (19, 406730), (38, 203365), (89, 86830), (95, 81346), (178, 43415), (190, 40673), (445, 17366), (457, 16910), (890, 8683), (914, 8455), (1691, 4570), (2285, 3382)]