207811340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1367}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 477114624

約数和(自身を除く): 269303284

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 691, 1367, 1382, 2734, 2764, 3455, 5468, 6835, 6910, 7601, 13670, 13820, 15037, 15202, 27340, 30074, 30404, 38005, 60148, 75185, 76010, 150370, 152020, 300740, 944597, 1889194, 3778388, 4722985, 9445970, 10390567, 18891940, 20781134, 41562268, 51952835, 103905670, 207811340]

約数ペア:

[(1, 207811340), (2, 103905670), (4, 51952835), (5, 41562268), (10, 20781134), (11, 18891940), (20, 10390567), (22, 9445970), (44, 4722985), (55, 3778388), (110, 1889194), (220, 944597), (691, 300740), (1367, 152020), (1382, 150370), (2734, 76010), (2764, 75185), (3455, 60148), (5468, 38005), (6835, 30404), (6910, 30074), (7601, 27340), (13670, 15202), (13820, 15037)]