68480440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{34939}}^1$

素因数の和:34964

約数の個数: 48

約数和(自身を含む): 179242200

約数和(自身を除く): 110761760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 34939, 69878, 139756, 174695, 244573, 279512, 349390, 489146, 698780, 978292, 1222865, 1397560, 1712011, 1956584, 2445730, 3424022, 4891460, 6848044, 8560055, 9782920, 13696088, 17120110, 34240220, 68480440]

約数ペア:

[(1, 68480440), (2, 34240220), (4, 17120110), (5, 13696088), (7, 9782920), (8, 8560055), (10, 6848044), (14, 4891460), (20, 3424022), (28, 2445730), (35, 1956584), (40, 1712011), (49, 1397560), (56, 1222865), (70, 978292), (98, 698780), (140, 489146), (196, 349390), (245, 279512), (280, 244573), (392, 174695), (490, 139756), (980, 69878), (1960, 34939)]