207876820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{1291}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 446701248

約数和(自身を除く): 238824428

約数列:

[1, 2, 4, 5, 10, 20, 83, 97, 166, 194, 332, 388, 415, 485, 830, 970, 1291, 1660, 1940, 2582, 5164, 6455, 8051, 12910, 16102, 25820, 32204, 40255, 80510, 107153, 125227, 161020, 214306, 250454, 428612, 500908, 535765, 626135, 1071530, 1252270, 2143060, 2504540, 10393841, 20787682, 41575364, 51969205, 103938410, 207876820]

約数ペア:

[(1, 207876820), (2, 103938410), (4, 51969205), (5, 41575364), (10, 20787682), (20, 10393841), (83, 2504540), (97, 2143060), (166, 1252270), (194, 1071530), (332, 626135), (388, 535765), (415, 500908), (485, 428612), (830, 250454), (970, 214306), (1291, 161020), (1660, 125227), (1940, 107153), (2582, 80510), (5164, 40255), (6455, 32204), (8051, 25820), (12910, 16102)]