869455580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{326863}}^1$

素因数の和:326898

約数の個数: 48

約数和(自身を含む): 2196526080

約数和(自身を除く): 1327070500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 326863, 653726, 1307452, 1634315, 2288041, 3268630, 4576082, 6210397, 6537260, 9152164, 11440205, 12420794, 22880410, 24841588, 31051985, 43472779, 45760820, 62103970, 86945558, 124207940, 173891116, 217363895, 434727790, 869455580]

約数ペア:

[(1, 869455580), (2, 434727790), (4, 217363895), (5, 173891116), (7, 124207940), (10, 86945558), (14, 62103970), (19, 45760820), (20, 43472779), (28, 31051985), (35, 24841588), (38, 22880410), (70, 12420794), (76, 11440205), (95, 9152164), (133, 6537260), (140, 6210397), (190, 4576082), (266, 3268630), (380, 2288041), (532, 1634315), (665, 1307452), (1330, 653726), (2660, 326863)]