289508464

素因数分解:

$2^4\times 7^3\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:843

約数の個数: 80

約数和(自身を含む): 664243200

約数和(自身を除く): 374734736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 284, 343, 392, 497, 568, 686, 743, 784, 994, 1136, 1372, 1486, 1988, 2744, 2972, 3479, 3976, 5201, 5488, 5944, 6958, 7952, 10402, 11888, 13916, 20804, 24353, 27832, 36407, 41608, 48706, 52753, 55664, 72814, 83216, 97412, 105506, 145628, 194824, 211012, 254849, 291256, 369271, 389648, 422024, 509698, 582512, 738542, 844048, 1019396, 1477084, 2038792, 2584897, 2954168, 4077584, 5169794, 5908336, 10339588, 18094279, 20679176, 36188558, 41358352, 72377116, 144754232, 289508464]

約数ペア:

[(1, 289508464), (2, 144754232), (4, 72377116), (7, 41358352), (8, 36188558), (14, 20679176), (16, 18094279), (28, 10339588), (49, 5908336), (56, 5169794), (71, 4077584), (98, 2954168), (112, 2584897), (142, 2038792), (196, 1477084), (284, 1019396), (343, 844048), (392, 738542), (497, 582512), (568, 509698), (686, 422024), (743, 389648), (784, 369271), (994, 291256), (1136, 254849), (1372, 211012), (1486, 194824), (1988, 145628), (2744, 105506), (2972, 97412), (3479, 83216), (3976, 72814), (5201, 55664), (5488, 52753), (5944, 48706), (6958, 41608), (7952, 36407), (10402, 27832), (11888, 24353), (13916, 20804)]