1781321180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1\times {\mathrm{3271}}^1$

素因数の和:3726

約数の個数: 48

約数和(自身を含む): 3803346624

約数和(自身を除く): 2022025444

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 373, 730, 746, 1460, 1492, 1865, 3271, 3730, 6542, 7460, 13084, 16355, 27229, 32710, 54458, 65420, 108916, 136145, 238783, 272290, 477566, 544580, 955132, 1193915, 1220083, 2387830, 2440166, 4775660, 4880332, 6100415, 12200830, 24401660, 89066059, 178132118, 356264236, 445330295, 890660590, 1781321180]

約数ペア:

[(1, 1781321180), (2, 890660590), (4, 445330295), (5, 356264236), (10, 178132118), (20, 89066059), (73, 24401660), (146, 12200830), (292, 6100415), (365, 4880332), (373, 4775660), (730, 2440166), (746, 2387830), (1460, 1220083), (1492, 1193915), (1865, 955132), (3271, 544580), (3730, 477566), (6542, 272290), (7460, 238783), (13084, 136145), (16355, 108916), (27229, 65420), (32710, 54458)]