288651490

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{1987}}^1$

素因数の和:2266

約数の個数: 32

約数和(自身を含む): 529603200

約数和(自身を除く): 240951710

約数列:

[1, 2, 5, 10, 73, 146, 199, 365, 398, 730, 995, 1987, 1990, 3974, 9935, 14527, 19870, 29054, 72635, 145051, 145270, 290102, 395413, 725255, 790826, 1450510, 1977065, 3954130, 28865149, 57730298, 144325745, 288651490]

約数ペア:

[(1, 288651490), (2, 144325745), (5, 57730298), (10, 28865149), (73, 3954130), (146, 1977065), (199, 1450510), (365, 790826), (398, 725255), (730, 395413), (995, 290102), (1987, 145270), (1990, 145051), (3974, 72635), (9935, 29054), (14527, 19870)]