77870690

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 142560000

約数和(自身を除く): 64689310

約数列:

[1, 2, 5, 10, 109, 199, 218, 359, 398, 545, 718, 995, 1090, 1795, 1990, 3590, 21691, 39131, 43382, 71441, 78262, 108455, 142882, 195655, 216910, 357205, 391310, 714410, 7787069, 15574138, 38935345, 77870690]

約数ペア:

[(1, 77870690), (2, 38935345), (5, 15574138), (10, 7787069), (109, 714410), (199, 391310), (218, 357205), (359, 216910), (398, 195655), (545, 142882), (718, 108455), (995, 78262), (1090, 71441), (1795, 43382), (1990, 39131), (3590, 21691)]