87968440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{314173}}^1$

素因数の和:314191

約数の個数: 32

約数和(自身を含む): 226205280

約数和(自身を除く): 138236840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 314173, 628346, 1256692, 1570865, 2199211, 2513384, 3141730, 4398422, 6283460, 8796844, 10996055, 12566920, 17593688, 21992110, 43984220, 87968440]

約数ペア:

[(1, 87968440), (2, 43984220), (4, 21992110), (5, 17593688), (7, 12566920), (8, 10996055), (10, 8796844), (14, 6283460), (20, 4398422), (28, 3141730), (35, 2513384), (40, 2199211), (56, 1570865), (70, 1256692), (140, 628346), (280, 314173)]