4784390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 9882000

約数和(自身を除く): 5097610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 149, 169, 190, 247, 298, 338, 494, 745, 845, 1235, 1490, 1690, 1937, 2470, 2831, 3211, 3874, 5662, 6422, 9685, 14155, 16055, 19370, 25181, 28310, 32110, 36803, 50362, 73606, 125905, 184015, 251810, 368030, 478439, 956878, 2392195, 4784390]

約数ペア:

[(1, 4784390), (2, 2392195), (5, 956878), (10, 478439), (13, 368030), (19, 251810), (26, 184015), (38, 125905), (65, 73606), (95, 50362), (130, 36803), (149, 32110), (169, 28310), (190, 25181), (247, 19370), (298, 16055), (338, 14155), (494, 9685), (745, 6422), (845, 5662), (1235, 3874), (1490, 3211), (1690, 2831), (1937, 2470)]