156770830

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{499}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 286740000

約数和(自身を除く): 129969170

約数列:

[1, 2, 5, 10, 89, 178, 353, 445, 499, 706, 890, 998, 1765, 2495, 3530, 4990, 31417, 44411, 62834, 88822, 157085, 176147, 222055, 314170, 352294, 444110, 880735, 1761470, 15677083, 31354166, 78385415, 156770830]

約数ペア:

[(1, 156770830), (2, 78385415), (5, 31354166), (10, 15677083), (89, 1761470), (178, 880735), (353, 444110), (445, 352294), (499, 314170), (706, 222055), (890, 176147), (998, 157085), (1765, 88822), (2495, 62834), (3530, 44411), (4990, 31417)]