8708551460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{132631}}^1$

素因数の和:132721

約数の個数: 72

約数和(自身を含む): 21591428544

約数和(自身を除く): 12882877084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 670, 938, 980, 1340, 1876, 2345, 3283, 4690, 6566, 9380, 13132, 16415, 32830, 65660, 132631, 265262, 530524, 663155, 928417, 1326310, 1856834, 2652620, 3713668, 4642085, 6498919, 8886277, 9284170, 12997838, 17772554, 18568340, 25995676, 32494595, 35545108, 44431385, 62203939, 64989190, 88862770, 124407878, 129978380, 177725540, 248815756, 311019695, 435427573, 622039390, 870855146, 1244078780, 1741710292, 2177137865, 4354275730, 8708551460]

約数ペア:

[(1, 8708551460), (2, 4354275730), (4, 2177137865), (5, 1741710292), (7, 1244078780), (10, 870855146), (14, 622039390), (20, 435427573), (28, 311019695), (35, 248815756), (49, 177725540), (67, 129978380), (70, 124407878), (98, 88862770), (134, 64989190), (140, 62203939), (196, 44431385), (245, 35545108), (268, 32494595), (335, 25995676), (469, 18568340), (490, 17772554), (670, 12997838), (938, 9284170), (980, 8886277), (1340, 6498919), (1876, 4642085), (2345, 3713668), (3283, 2652620), (4690, 1856834), (6566, 1326310), (9380, 928417), (13132, 663155), (16415, 530524), (32830, 265262), (65660, 132631)]