129807200

素因数分解:

$2^5\times 5^2\times {\mathrm{211}}^1\times {\mathrm{769}}^1$

素因数の和:1000

約数の個数: 72

約数和(自身を含む): 318807720

約数和(自身を除く): 189000520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 211, 400, 422, 769, 800, 844, 1055, 1538, 1688, 2110, 3076, 3376, 3845, 4220, 5275, 6152, 6752, 7690, 8440, 10550, 12304, 15380, 16880, 19225, 21100, 24608, 30760, 33760, 38450, 42200, 61520, 76900, 84400, 123040, 153800, 162259, 168800, 307600, 324518, 615200, 649036, 811295, 1298072, 1622590, 2596144, 3245180, 4056475, 5192288, 6490360, 8112950, 12980720, 16225900, 25961440, 32451800, 64903600, 129807200]

約数ペア:

[(1, 129807200), (2, 64903600), (4, 32451800), (5, 25961440), (8, 16225900), (10, 12980720), (16, 8112950), (20, 6490360), (25, 5192288), (32, 4056475), (40, 3245180), (50, 2596144), (80, 1622590), (100, 1298072), (160, 811295), (200, 649036), (211, 615200), (400, 324518), (422, 307600), (769, 168800), (800, 162259), (844, 153800), (1055, 123040), (1538, 84400), (1688, 76900), (2110, 61520), (3076, 42200), (3376, 38450), (3845, 33760), (4220, 30760), (5275, 24608), (6152, 21100), (6752, 19225), (7690, 16880), (8440, 15380), (10550, 12304)]