3940580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4021}}^1$

素因数の和:4044

約数の個数: 36

約数和(自身を含む): 9628668

約数和(自身を除く): 5688088

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4021, 8042, 16084, 20105, 28147, 40210, 56294, 80420, 112588, 140735, 197029, 281470, 394058, 562940, 788116, 985145, 1970290, 3940580]

約数ペア:

[(1, 3940580), (2, 1970290), (4, 985145), (5, 788116), (7, 562940), (10, 394058), (14, 281470), (20, 197029), (28, 140735), (35, 112588), (49, 80420), (70, 56294), (98, 40210), (140, 28147), (196, 20105), (245, 16084), (490, 8042), (980, 4021)]