1997660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:786

約数の個数: 48

約数和(自身を含む): 5053440

約数和(自身を除く): 3055780

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 751, 1330, 1502, 2660, 3004, 3755, 5257, 7510, 10514, 14269, 15020, 21028, 26285, 28538, 52570, 57076, 71345, 99883, 105140, 142690, 199766, 285380, 399532, 499415, 998830, 1997660]

約数ペア:

[(1, 1997660), (2, 998830), (4, 499415), (5, 399532), (7, 285380), (10, 199766), (14, 142690), (19, 105140), (20, 99883), (28, 71345), (35, 57076), (38, 52570), (70, 28538), (76, 26285), (95, 21028), (133, 15020), (140, 14269), (190, 10514), (266, 7510), (380, 5257), (532, 3755), (665, 3004), (751, 2660), (1330, 1502)]