338805460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{12161}}^1$

素因数の和:12376

約数の個数: 48

約数和(自身を含む): 817286400

約数和(自身を除く): 478480940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 995, 1393, 1990, 2786, 3980, 5572, 6965, 12161, 13930, 24322, 27860, 48644, 60805, 85127, 121610, 170254, 243220, 340508, 425635, 851270, 1702540, 2420039, 4840078, 9680156, 12100195, 16940273, 24200390, 33880546, 48400780, 67761092, 84701365, 169402730, 338805460]

約数ペア:

[(1, 338805460), (2, 169402730), (4, 84701365), (5, 67761092), (7, 48400780), (10, 33880546), (14, 24200390), (20, 16940273), (28, 12100195), (35, 9680156), (70, 4840078), (140, 2420039), (199, 1702540), (398, 851270), (796, 425635), (995, 340508), (1393, 243220), (1990, 170254), (2786, 121610), (3980, 85127), (5572, 60805), (6965, 48644), (12161, 27860), (13930, 24322)]