2912162420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1\times {\mathrm{4447}}^1$

素因数の和:4832

約数の個数: 48

約数和(自身を含む): 6187345920

約数和(自身を除く): 3275183500

約数列:

[1, 2, 4, 5, 10, 20, 137, 239, 274, 478, 548, 685, 956, 1195, 1370, 2390, 2740, 4447, 4780, 8894, 17788, 22235, 32743, 44470, 65486, 88940, 130972, 163715, 327430, 609239, 654860, 1062833, 1218478, 2125666, 2436956, 3046195, 4251332, 5314165, 6092390, 10628330, 12184780, 21256660, 145608121, 291216242, 582432484, 728040605, 1456081210, 2912162420]

約数ペア:

[(1, 2912162420), (2, 1456081210), (4, 728040605), (5, 582432484), (10, 291216242), (20, 145608121), (137, 21256660), (239, 12184780), (274, 10628330), (478, 6092390), (548, 5314165), (685, 4251332), (956, 3046195), (1195, 2436956), (1370, 2125666), (2390, 1218478), (2740, 1062833), (4447, 654860), (4780, 609239), (8894, 327430), (17788, 163715), (22235, 130972), (32743, 88940), (44470, 65486)]