71130920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254039}}^1$

素因数の和:254057

約数の個数: 32

約数和(自身を含む): 182908800

約数和(自身を除く): 111777880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254039, 508078, 1016156, 1270195, 1778273, 2032312, 2540390, 3556546, 5080780, 7113092, 8891365, 10161560, 14226184, 17782730, 35565460, 71130920]

約数ペア:

[(1, 71130920), (2, 35565460), (4, 17782730), (5, 14226184), (7, 10161560), (8, 8891365), (10, 7113092), (14, 5080780), (20, 3556546), (28, 2540390), (35, 2032312), (40, 1778273), (56, 1270195), (70, 1016156), (140, 508078), (280, 254039)]