304080980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2172007}}^1$

素因数の和:2172023

約数の個数: 24

約数和(自身を含む): 729794688

約数和(自身を除く): 425713708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2172007, 4344014, 8688028, 10860035, 15204049, 21720070, 30408098, 43440140, 60816196, 76020245, 152040490, 304080980]

約数ペア:

[(1, 304080980), (2, 152040490), (4, 76020245), (5, 60816196), (7, 43440140), (10, 30408098), (14, 21720070), (20, 15204049), (28, 10860035), (35, 8688028), (70, 4344014), (140, 2172007)]