320428472

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5303}}^1$

素因数の和:5412

約数の個数: 64

約数和(自身を含む): 748500480

約数和(自身を除く): 428072008

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 332, 364, 581, 664, 728, 1079, 1162, 2158, 2324, 4316, 4648, 5303, 7553, 8632, 10606, 15106, 21212, 30212, 37121, 42424, 60424, 68939, 74242, 137878, 148484, 275756, 296968, 440149, 482573, 551512, 880298, 965146, 1760596, 1930292, 3081043, 3521192, 3860584, 5721937, 6162086, 11443874, 12324172, 22887748, 24648344, 40053559, 45775496, 80107118, 160214236, 320428472]

約数ペア:

[(1, 320428472), (2, 160214236), (4, 80107118), (7, 45775496), (8, 40053559), (13, 24648344), (14, 22887748), (26, 12324172), (28, 11443874), (52, 6162086), (56, 5721937), (83, 3860584), (91, 3521192), (104, 3081043), (166, 1930292), (182, 1760596), (332, 965146), (364, 880298), (581, 551512), (664, 482573), (728, 440149), (1079, 296968), (1162, 275756), (2158, 148484), (2324, 137878), (4316, 74242), (4648, 68939), (5303, 60424), (7553, 42424), (8632, 37121), (10606, 30212), (15106, 21212)]