140949890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{5281}}^1$

素因数の和:5462

約数の個数: 32

約数和(自身を含む): 270396144

約数和(自身を除く): 129446254

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 1570, 2669, 5281, 5338, 10562, 13345, 26405, 26690, 52810, 89777, 179554, 448885, 829117, 897770, 1658234, 4145585, 8291170, 14094989, 28189978, 70474945, 140949890]

約数ペア:

[(1, 140949890), (2, 70474945), (5, 28189978), (10, 14094989), (17, 8291170), (34, 4145585), (85, 1658234), (157, 897770), (170, 829117), (314, 448885), (785, 179554), (1570, 89777), (2669, 52810), (5281, 26690), (5338, 26405), (10562, 13345)]