2649690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 7020000

約数和(自身を除く): 4370310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 59, 90, 118, 177, 295, 354, 499, 531, 590, 885, 998, 1062, 1497, 1770, 2495, 2655, 2994, 4491, 4990, 5310, 7485, 8982, 14970, 22455, 29441, 44910, 58882, 88323, 147205, 176646, 264969, 294410, 441615, 529938, 883230, 1324845, 2649690]

約数ペア:

[(1, 2649690), (2, 1324845), (3, 883230), (5, 529938), (6, 441615), (9, 294410), (10, 264969), (15, 176646), (18, 147205), (30, 88323), (45, 58882), (59, 44910), (90, 29441), (118, 22455), (177, 14970), (295, 8982), (354, 7485), (499, 5310), (531, 4990), (590, 4491), (885, 2994), (998, 2655), (1062, 2495), (1497, 1770)]