2521330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 5241600

約数和(自身を除く): 2720270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 199, 362, 398, 905, 995, 1267, 1393, 1810, 1990, 2534, 2786, 6335, 6965, 12670, 13930, 36019, 72038, 180095, 252133, 360190, 504266, 1260665, 2521330]

約数ペア:

[(1, 2521330), (2, 1260665), (5, 504266), (7, 360190), (10, 252133), (14, 180095), (35, 72038), (70, 36019), (181, 13930), (199, 12670), (362, 6965), (398, 6335), (905, 2786), (995, 2534), (1267, 1990), (1393, 1810)]