3890390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 8078400

約数和(自身を除く): 4188010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 373, 745, 746, 1043, 1490, 1865, 2086, 2611, 3730, 5215, 5222, 10430, 13055, 26110, 55577, 111154, 277885, 389039, 555770, 778078, 1945195, 3890390]

約数ペア:

[(1, 3890390), (2, 1945195), (5, 778078), (7, 555770), (10, 389039), (14, 277885), (35, 111154), (70, 55577), (149, 26110), (298, 13055), (373, 10430), (745, 5222), (746, 5215), (1043, 3730), (1490, 2611), (1865, 2086)]