27899800

素因数分解:

$2^3\times 5^2\times {\mathrm{199}}^1\times {\mathrm{701}}^1$

素因数の和:916

約数の個数: 48

約数和(自身を含む): 65286000

約数和(自身を除く): 37386200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 199, 200, 398, 701, 796, 995, 1402, 1592, 1990, 2804, 3505, 3980, 4975, 5608, 7010, 7960, 9950, 14020, 17525, 19900, 28040, 35050, 39800, 70100, 139499, 140200, 278998, 557996, 697495, 1115992, 1394990, 2789980, 3487475, 5579960, 6974950, 13949900, 27899800]

約数ペア:

[(1, 27899800), (2, 13949900), (4, 6974950), (5, 5579960), (8, 3487475), (10, 2789980), (20, 1394990), (25, 1115992), (40, 697495), (50, 557996), (100, 278998), (199, 140200), (200, 139499), (398, 70100), (701, 39800), (796, 35050), (995, 28040), (1402, 19900), (1592, 17525), (1990, 14020), (2804, 9950), (3505, 7960), (3980, 7010), (4975, 5608)]