289609990

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1\times {\mathrm{1019}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 528988320

約数和(自身を除く): 239378330

約数列:

[1, 2, 5, 10, 97, 194, 293, 485, 586, 970, 1019, 1465, 2038, 2930, 5095, 10190, 28421, 56842, 98843, 142105, 197686, 284210, 298567, 494215, 597134, 988430, 1492835, 2985670, 28960999, 57921998, 144804995, 289609990]

約数ペア:

[(1, 289609990), (2, 144804995), (5, 57921998), (10, 28960999), (97, 2985670), (194, 1492835), (293, 988430), (485, 597134), (586, 494215), (970, 298567), (1019, 284210), (1465, 197686), (2038, 142105), (2930, 98843), (5095, 56842), (10190, 28421)]