83981380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1511}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 202196736

約数和(自身を除く): 118215356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1511, 1588, 1985, 2779, 3022, 3970, 5558, 6044, 7555, 7940, 10577, 11116, 13895, 15110, 21154, 27790, 30220, 42308, 52885, 55580, 105770, 211540, 599867, 1199734, 2399468, 2999335, 4199069, 5998670, 8398138, 11997340, 16796276, 20995345, 41990690, 83981380]

約数ペア:

[(1, 83981380), (2, 41990690), (4, 20995345), (5, 16796276), (7, 11997340), (10, 8398138), (14, 5998670), (20, 4199069), (28, 2999335), (35, 2399468), (70, 1199734), (140, 599867), (397, 211540), (794, 105770), (1511, 55580), (1588, 52885), (1985, 42308), (2779, 30220), (3022, 27790), (3970, 21154), (5558, 15110), (6044, 13895), (7555, 11116), (7940, 10577)]