650840740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{7027}}^1$

素因数の和:7468

約数の個数: 48

約数和(自身を含む): 1494771264

約数和(自身を除く): 843930524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 421, 842, 1684, 2105, 4210, 4631, 7027, 8420, 9262, 14054, 18524, 23155, 28108, 35135, 46310, 70270, 77297, 92620, 140540, 154594, 309188, 386485, 772970, 1545940, 2958367, 5916734, 11833468, 14791835, 29583670, 32542037, 59167340, 65084074, 130168148, 162710185, 325420370, 650840740]

約数ペア:

[(1, 650840740), (2, 325420370), (4, 162710185), (5, 130168148), (10, 65084074), (11, 59167340), (20, 32542037), (22, 29583670), (44, 14791835), (55, 11833468), (110, 5916734), (220, 2958367), (421, 1545940), (842, 772970), (1684, 386485), (2105, 309188), (4210, 154594), (4631, 140540), (7027, 92620), (8420, 77297), (9262, 70270), (14054, 46310), (18524, 35135), (23155, 28108)]