2478740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3508780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 593, 836, 1045, 1186, 2090, 2372, 2965, 4180, 5930, 6523, 11267, 11860, 13046, 22534, 26092, 32615, 45068, 56335, 65230, 112670, 123937, 130460, 225340, 247874, 495748, 619685, 1239370, 2478740]

約数ペア:

[(1, 2478740), (2, 1239370), (4, 619685), (5, 495748), (10, 247874), (11, 225340), (19, 130460), (20, 123937), (22, 112670), (38, 65230), (44, 56335), (55, 45068), (76, 32615), (95, 26092), (110, 22534), (190, 13046), (209, 11860), (220, 11267), (380, 6523), (418, 5930), (593, 4180), (836, 2965), (1045, 2372), (1186, 2090)]