2018782775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2917}}^1$

素因数の和:3024

約数の個数: 48

約数和(自身を含む): 2778869760

約数和(自身を除く): 760086985

約数列:

[1, 5, 19, 25, 31, 47, 95, 155, 235, 475, 589, 775, 893, 1175, 1457, 2917, 2945, 4465, 7285, 14585, 14725, 22325, 27683, 36425, 55423, 72925, 90427, 137099, 138415, 277115, 452135, 685495, 692075, 1385575, 1718113, 2260675, 2604881, 3427475, 4250069, 8590565, 13024405, 21250345, 42952825, 65122025, 80751311, 106251725, 403756555, 2018782775]

約数ペア:

[(1, 2018782775), (5, 403756555), (19, 106251725), (25, 80751311), (31, 65122025), (47, 42952825), (95, 21250345), (155, 13024405), (235, 8590565), (475, 4250069), (589, 3427475), (775, 2604881), (893, 2260675), (1175, 1718113), (1457, 1385575), (2917, 692075), (2945, 685495), (4465, 452135), (7285, 277115), (14585, 138415), (14725, 137099), (22325, 90427), (27683, 72925), (36425, 55423)]