201601960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{720007}}^1$

素因数の和:720025

約数の個数: 32

約数和(自身を含む): 518405760

約数和(自身を除く): 316803800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 720007, 1440014, 2880028, 3600035, 5040049, 5760056, 7200070, 10080098, 14400140, 20160196, 25200245, 28800280, 40320392, 50400490, 100800980, 201601960]

約数ペア:

[(1, 201601960), (2, 100800980), (4, 50400490), (5, 40320392), (7, 28800280), (8, 25200245), (10, 20160196), (14, 14400140), (20, 10080098), (28, 7200070), (35, 5760056), (40, 5040049), (56, 3600035), (70, 2880028), (140, 1440014), (280, 720007)]