277061480

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{14107}}^1$

素因数の和:14609

約数の個数: 32

約数和(自身を含む): 624702240

約数和(自身を除く): 347640760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4910, 9820, 14107, 19640, 28214, 56428, 70535, 112856, 141070, 282140, 564280, 6926537, 13853074, 27706148, 34632685, 55412296, 69265370, 138530740, 277061480]

約数ペア:

[(1, 277061480), (2, 138530740), (4, 69265370), (5, 55412296), (8, 34632685), (10, 27706148), (20, 13853074), (40, 6926537), (491, 564280), (982, 282140), (1964, 141070), (2455, 112856), (3928, 70535), (4910, 56428), (9820, 28214), (14107, 19640)]