140161980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{333719}}^1$

素因数の和:333738

約数の個数: 48

約数和(自身を含む): 448519680

約数和(自身を除く): 308357700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 333719, 667438, 1001157, 1334876, 1668595, 2002314, 2336033, 3337190, 4004628, 4672066, 5005785, 6674380, 7008099, 9344132, 10011570, 11680165, 14016198, 20023140, 23360330, 28032396, 35040495, 46720660, 70080990, 140161980]

約数ペア:

[(1, 140161980), (2, 70080990), (3, 46720660), (4, 35040495), (5, 28032396), (6, 23360330), (7, 20023140), (10, 14016198), (12, 11680165), (14, 10011570), (15, 9344132), (20, 7008099), (21, 6674380), (28, 5005785), (30, 4672066), (35, 4004628), (42, 3337190), (60, 2336033), (70, 2002314), (84, 1668595), (105, 1334876), (140, 1001157), (210, 667438), (420, 333719)]