1099400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 2678400

約数和(自身を除く): 1579000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 239, 460, 478, 575, 920, 956, 1150, 1195, 1912, 2300, 2390, 4600, 4780, 5497, 5975, 9560, 10994, 11950, 21988, 23900, 27485, 43976, 47800, 54970, 109940, 137425, 219880, 274850, 549700, 1099400]

約数ペア:

[(1, 1099400), (2, 549700), (4, 274850), (5, 219880), (8, 137425), (10, 109940), (20, 54970), (23, 47800), (25, 43976), (40, 27485), (46, 23900), (50, 21988), (92, 11950), (100, 10994), (115, 9560), (184, 5975), (200, 5497), (230, 4780), (239, 4600), (460, 2390), (478, 2300), (575, 1912), (920, 1195), (956, 1150)]