71941660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1321}}^1$

素因数の和:1726

約数の個数: 48

約数和(自身を含む): 173234880

約数和(自身を除く): 101293220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1321, 1556, 1945, 2642, 2723, 3890, 5284, 5446, 6605, 7780, 9247, 10892, 13210, 13615, 18494, 26420, 27230, 36988, 46235, 54460, 92470, 184940, 513869, 1027738, 2055476, 2569345, 3597083, 5138690, 7194166, 10277380, 14388332, 17985415, 35970830, 71941660]

約数ペア:

[(1, 71941660), (2, 35970830), (4, 17985415), (5, 14388332), (7, 10277380), (10, 7194166), (14, 5138690), (20, 3597083), (28, 2569345), (35, 2055476), (70, 1027738), (140, 513869), (389, 184940), (778, 92470), (1321, 54460), (1556, 46235), (1945, 36988), (2642, 27230), (2723, 26420), (3890, 18494), (5284, 13615), (5446, 13210), (6605, 10892), (7780, 9247)]