204030680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{728681}}^1$

素因数の和:728699

約数の個数: 32

約数和(自身を含む): 524651040

約数和(自身を除く): 320620360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 728681, 1457362, 2914724, 3643405, 5100767, 5829448, 7286810, 10201534, 14573620, 20403068, 25503835, 29147240, 40806136, 51007670, 102015340, 204030680]

約数ペア:

[(1, 204030680), (2, 102015340), (4, 51007670), (5, 40806136), (7, 29147240), (8, 25503835), (10, 20403068), (14, 14573620), (20, 10201534), (28, 7286810), (35, 5829448), (40, 5100767), (56, 3643405), (70, 2914724), (140, 1457362), (280, 728681)]