1977930990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{3139573}}^1$

素因数の和:3139593

約数の個数: 48

約数和(自身を含む): 5877282528

約数和(自身を除く): 3899351538

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 3139573, 6279146, 9418719, 15697865, 18837438, 21977011, 28256157, 31395730, 43954022, 47093595, 56512314, 65931033, 94187190, 109885055, 131862066, 141280785, 197793099, 219770110, 282561570, 329655165, 395586198, 659310330, 988965495, 1977930990]

約数ペア:

[(1, 1977930990), (2, 988965495), (3, 659310330), (5, 395586198), (6, 329655165), (7, 282561570), (9, 219770110), (10, 197793099), (14, 141280785), (15, 131862066), (18, 109885055), (21, 94187190), (30, 65931033), (35, 56512314), (42, 47093595), (45, 43954022), (63, 31395730), (70, 28256157), (90, 21977011), (105, 18837438), (126, 15697865), (210, 9418719), (315, 6279146), (630, 3139573)]