83398840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{297853}}^1$

素因数の和:297871

約数の個数: 32

約数和(自身を含む): 214454880

約数和(自身を除く): 131056040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 297853, 595706, 1191412, 1489265, 2084971, 2382824, 2978530, 4169942, 5957060, 8339884, 10424855, 11914120, 16679768, 20849710, 41699420, 83398840]

約数ペア:

[(1, 83398840), (2, 41699420), (4, 20849710), (5, 16679768), (7, 11914120), (8, 10424855), (10, 8339884), (14, 5957060), (20, 4169942), (28, 2978530), (35, 2382824), (40, 2084971), (56, 1489265), (70, 1191412), (140, 595706), (280, 297853)]