1380730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:95

約数の個数: 48

約数和(自身を含む): 2898720

約数和(自身を除く): 1517990

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 169, 190, 215, 247, 338, 430, 494, 559, 817, 845, 1118, 1235, 1634, 1690, 2470, 2795, 3211, 4085, 5590, 6422, 7267, 8170, 10621, 14534, 16055, 21242, 32110, 36335, 53105, 72670, 106210, 138073, 276146, 690365, 1380730]

約数ペア:

[(1, 1380730), (2, 690365), (5, 276146), (10, 138073), (13, 106210), (19, 72670), (26, 53105), (38, 36335), (43, 32110), (65, 21242), (86, 16055), (95, 14534), (130, 10621), (169, 8170), (190, 7267), (215, 6422), (247, 5590), (338, 4085), (430, 3211), (494, 2795), (559, 2470), (817, 1690), (845, 1634), (1118, 1235)]