217705380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{13099}}^1$

素因数の和:13388

約数の個数: 48

約数和(自身を含む): 611822400

約数和(自身を除く): 394117020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 5540, 8310, 13099, 16620, 26198, 39297, 52396, 65495, 78594, 130990, 157188, 196485, 261980, 392970, 785940, 3628423, 7256846, 10885269, 14513692, 18142115, 21770538, 36284230, 43541076, 54426345, 72568460, 108852690, 217705380]

約数ペア:

[(1, 217705380), (2, 108852690), (3, 72568460), (4, 54426345), (5, 43541076), (6, 36284230), (10, 21770538), (12, 18142115), (15, 14513692), (20, 10885269), (30, 7256846), (60, 3628423), (277, 785940), (554, 392970), (831, 261980), (1108, 196485), (1385, 157188), (1662, 130990), (2770, 78594), (3324, 65495), (4155, 52396), (5540, 39297), (8310, 26198), (13099, 16620)]