1984927240

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{362213}}^1$

素因数の和:362361

約数の個数: 32

約数和(自身を含む): 4498697880

約数和(自身を除く): 2513770640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 362213, 724426, 1448852, 1811065, 2897704, 3622130, 7244260, 14488520, 49623181, 99246362, 198492724, 248115905, 396985448, 496231810, 992463620, 1984927240]

約数ペア:

[(1, 1984927240), (2, 992463620), (4, 496231810), (5, 396985448), (8, 248115905), (10, 198492724), (20, 99246362), (40, 49623181), (137, 14488520), (274, 7244260), (548, 3622130), (685, 2897704), (1096, 1811065), (1370, 1448852), (2740, 724426), (5480, 362213)]