210440560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239137}}^1$

素因数の和:239161

約数の個数: 40

約数和(自身を含む): 533756016

約数和(自身を除く): 323315456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 239137, 478274, 956548, 1195685, 1913096, 2391370, 2630507, 3826192, 4782740, 5261014, 9565480, 10522028, 13152535, 19130960, 21044056, 26305070, 42088112, 52610140, 105220280, 210440560]

約数ペア:

[(1, 210440560), (2, 105220280), (4, 52610140), (5, 42088112), (8, 26305070), (10, 21044056), (11, 19130960), (16, 13152535), (20, 10522028), (22, 9565480), (40, 5261014), (44, 4782740), (55, 3826192), (80, 2630507), (88, 2391370), (110, 1913096), (176, 1195685), (220, 956548), (440, 478274), (880, 239137)]