2019697420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{27449}}^1$

素因数の和:27754

約数の個数: 48

約数和(自身を含む): 4583930400

約数和(自身を除く): 2564232980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 283, 566, 1132, 1415, 2830, 3679, 5660, 7358, 14716, 18395, 27449, 36790, 54898, 73580, 109796, 137245, 274490, 356837, 548980, 713674, 1427348, 1784185, 3568370, 7136740, 7768067, 15536134, 31072268, 38840335, 77680670, 100984871, 155361340, 201969742, 403939484, 504924355, 1009848710, 2019697420]

約数ペア:

[(1, 2019697420), (2, 1009848710), (4, 504924355), (5, 403939484), (10, 201969742), (13, 155361340), (20, 100984871), (26, 77680670), (52, 38840335), (65, 31072268), (130, 15536134), (260, 7768067), (283, 7136740), (566, 3568370), (1132, 1784185), (1415, 1427348), (2830, 713674), (3679, 548980), (5660, 356837), (7358, 274490), (14716, 137245), (18395, 109796), (27449, 73580), (36790, 54898)]