8490390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7649}}^1$

素因数の和:7696

約数の個数: 32

約数和(自身を含む): 20930400

約数和(自身を除く): 12440010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 7649, 15298, 22947, 38245, 45894, 76490, 114735, 229470, 283013, 566026, 849039, 1415065, 1698078, 2830130, 4245195, 8490390]

約数ペア:

[(1, 8490390), (2, 4245195), (3, 2830130), (5, 1698078), (6, 1415065), (10, 849039), (15, 566026), (30, 283013), (37, 229470), (74, 114735), (111, 76490), (185, 45894), (222, 38245), (370, 22947), (555, 15298), (1110, 7649)]