64918900

素因数分解:

$2^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{8893}}^1$

素因数の和:8980

約数の個数: 36

約数和(自身を含む): 142819852

約数和(自身を除く): 77900952

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 73, 100, 146, 292, 365, 730, 1460, 1825, 3650, 7300, 8893, 17786, 35572, 44465, 88930, 177860, 222325, 444650, 649189, 889300, 1298378, 2596756, 3245945, 6491890, 12983780, 16229725, 32459450, 64918900]

約数ペア:

[(1, 64918900), (2, 32459450), (4, 16229725), (5, 12983780), (10, 6491890), (20, 3245945), (25, 2596756), (50, 1298378), (73, 889300), (100, 649189), (146, 444650), (292, 222325), (365, 177860), (730, 88930), (1460, 44465), (1825, 35572), (3650, 17786), (7300, 8893)]