290540

素因数分解:

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

素因数の和:281

約数の個数: 24

約数和(自身を含む): 621600

約数和(自身を除く): 331060

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 199, 292, 365, 398, 730, 796, 995, 1460, 1990, 3980, 14527, 29054, 58108, 72635, 145270, 290540]

約数ペア:

[(1, 290540), (2, 145270), (4, 72635), (5, 58108), (10, 29054), (20, 14527), (73, 3980), (146, 1990), (199, 1460), (292, 995), (365, 796), (398, 730)]