145819990

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{69109}}^1$

素因数の和:69327

約数の個数: 16

約数和(自身を含む): 263723760

約数和(自身を除く): 117903770

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 69109, 138218, 345545, 691090, 14581999, 29163998, 72909995, 145819990]

約数ペア:

[(1, 145819990), (2, 72909995), (5, 29163998), (10, 14581999), (211, 691090), (422, 345545), (1055, 138218), (2110, 69109)]