90499780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{17471}}^1$

素因数の和:17524

約数の個数: 48

約数和(自身を含む): 223082496

約数和(自身を除く): 132582716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 17471, 34942, 69884, 87355, 122297, 174710, 244594, 349420, 489188, 611485, 646427, 1222970, 1292854, 2445940, 2585708, 3232135, 4524989, 6464270, 9049978, 12928540, 18099956, 22624945, 45249890, 90499780]

約数ペア:

[(1, 90499780), (2, 45249890), (4, 22624945), (5, 18099956), (7, 12928540), (10, 9049978), (14, 6464270), (20, 4524989), (28, 3232135), (35, 2585708), (37, 2445940), (70, 1292854), (74, 1222970), (140, 646427), (148, 611485), (185, 489188), (259, 349420), (370, 244594), (518, 174710), (740, 122297), (1036, 87355), (1295, 69884), (2590, 34942), (5180, 17471)]