969778840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{249943}}^1$

素因数の和:250051

約数の個数: 32

約数和(自身を含む): 2204506080

約数和(自身を除く): 1234727240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 249943, 499886, 999772, 1249715, 1999544, 2499430, 4998860, 9997720, 24244471, 48488942, 96977884, 121222355, 193955768, 242444710, 484889420, 969778840]

約数ペア:

[(1, 969778840), (2, 484889420), (4, 242444710), (5, 193955768), (8, 121222355), (10, 96977884), (20, 48488942), (40, 24244471), (97, 9997720), (194, 4998860), (388, 2499430), (485, 1999544), (776, 1249715), (970, 999772), (1940, 499886), (3880, 249943)]