2785191980

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{8461}}^1$

素因数の和:8730

約数の個数: 48

約数和(自身を含む): 5942354880

約数和(自身を除く): 3157162900

約数列:

[1, 2, 4, 5, 10, 20, 109, 151, 218, 302, 436, 545, 604, 755, 1090, 1510, 2180, 3020, 8461, 16459, 16922, 32918, 33844, 42305, 65836, 82295, 84610, 164590, 169220, 329180, 922249, 1277611, 1844498, 2555222, 3688996, 4611245, 5110444, 6388055, 9222490, 12776110, 18444980, 25552220, 139259599, 278519198, 557038396, 696297995, 1392595990, 2785191980]

約数ペア:

[(1, 2785191980), (2, 1392595990), (4, 696297995), (5, 557038396), (10, 278519198), (20, 139259599), (109, 25552220), (151, 18444980), (218, 12776110), (302, 9222490), (436, 6388055), (545, 5110444), (604, 4611245), (755, 3688996), (1090, 2555222), (1510, 1844498), (2180, 1277611), (3020, 922249), (8461, 329180), (16459, 169220), (16922, 164590), (32918, 84610), (33844, 82295), (42305, 65836)]