198779570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{78569}}^1$

素因数の和:78610

約数の個数: 32

約数和(自身を含む): 407306880

約数和(自身を除く): 208527310

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 78569, 157138, 392845, 785690, 864259, 1728518, 1807087, 3614174, 4321295, 8642590, 9035435, 18070870, 19877957, 39755914, 99389785, 198779570]

約数ペア:

[(1, 198779570), (2, 99389785), (5, 39755914), (10, 19877957), (11, 18070870), (22, 9035435), (23, 8642590), (46, 4321295), (55, 3614174), (110, 1807087), (115, 1728518), (230, 864259), (253, 785690), (506, 392845), (1265, 157138), (2530, 78569)]