1373770180

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{771781}}^1$

素因数の和:771879

約数の個数: 24

約数和(自身を含む): 2917335960

約数和(自身を除く): 1543565780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 771781, 1543562, 3087124, 3858905, 7717810, 15435620, 68688509, 137377018, 274754036, 343442545, 686885090, 1373770180]

約数ペア:

[(1, 1373770180), (2, 686885090), (4, 343442545), (5, 274754036), (10, 137377018), (20, 68688509), (89, 15435620), (178, 7717810), (356, 3858905), (445, 3087124), (890, 1543562), (1780, 771781)]