7881160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4021}}^1$

素因数の和:4046

約数の個数: 48

約数和(自身を含む): 20632860

約数和(自身を除く): 12751700

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4021, 8042, 16084, 20105, 28147, 32168, 40210, 56294, 80420, 112588, 140735, 160840, 197029, 225176, 281470, 394058, 562940, 788116, 985145, 1125880, 1576232, 1970290, 3940580, 7881160]

約数ペア:

[(1, 7881160), (2, 3940580), (4, 1970290), (5, 1576232), (7, 1125880), (8, 985145), (10, 788116), (14, 562940), (20, 394058), (28, 281470), (35, 225176), (40, 197029), (49, 160840), (56, 140735), (70, 112588), (98, 80420), (140, 56294), (196, 40210), (245, 32168), (280, 28147), (392, 20105), (490, 16084), (980, 8042), (1960, 4021)]