280667090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{6427}}^1$

素因数の和:6842

約数の個数: 32

約数和(自身を含む): 552602304

約数和(自身を除く): 271935214

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 794, 1985, 3970, 4367, 6427, 8734, 12854, 21835, 32135, 43670, 64270, 70697, 141394, 353485, 706970, 2551519, 5103038, 12757595, 25515190, 28066709, 56133418, 140333545, 280667090]

約数ペア:

[(1, 280667090), (2, 140333545), (5, 56133418), (10, 28066709), (11, 25515190), (22, 12757595), (55, 5103038), (110, 2551519), (397, 706970), (794, 353485), (1985, 141394), (3970, 70697), (4367, 64270), (6427, 43670), (8734, 32135), (12854, 21835)]