28473740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 61937568

約数和(自身を除く): 33463828

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 113, 172, 215, 226, 293, 430, 452, 565, 586, 860, 1130, 1172, 1465, 2260, 2930, 4859, 5860, 9718, 12599, 19436, 24295, 25198, 33109, 48590, 50396, 62995, 66218, 97180, 125990, 132436, 165545, 251980, 331090, 662180, 1423687, 2847374, 5694748, 7118435, 14236870, 28473740]

約数ペア:

[(1, 28473740), (2, 14236870), (4, 7118435), (5, 5694748), (10, 2847374), (20, 1423687), (43, 662180), (86, 331090), (113, 251980), (172, 165545), (215, 132436), (226, 125990), (293, 97180), (430, 66218), (452, 62995), (565, 50396), (586, 48590), (860, 33109), (1130, 25198), (1172, 24295), (1465, 19436), (2260, 12599), (2930, 9718), (4859, 5860)]