2017861640

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{337}}^1\times {\mathrm{1399}}^1$

素因数の和:1854

約数の個数: 64

約数和(自身を含む): 4599504000

約数和(自身を除く): 2581642360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 337, 428, 535, 674, 856, 1070, 1348, 1399, 1685, 2140, 2696, 2798, 3370, 4280, 5596, 6740, 6995, 11192, 13480, 13990, 27980, 36059, 55960, 72118, 144236, 149693, 180295, 288472, 299386, 360590, 471463, 598772, 721180, 748465, 942926, 1197544, 1442360, 1496930, 1885852, 2357315, 2993860, 3771704, 4714630, 5987720, 9429260, 18858520, 50446541, 100893082, 201786164, 252232705, 403572328, 504465410, 1008930820, 2017861640]

約数ペア:

[(1, 2017861640), (2, 1008930820), (4, 504465410), (5, 403572328), (8, 252232705), (10, 201786164), (20, 100893082), (40, 50446541), (107, 18858520), (214, 9429260), (337, 5987720), (428, 4714630), (535, 3771704), (674, 2993860), (856, 2357315), (1070, 1885852), (1348, 1496930), (1399, 1442360), (1685, 1197544), (2140, 942926), (2696, 748465), (2798, 721180), (3370, 598772), (4280, 471463), (5596, 360590), (6740, 299386), (6995, 288472), (11192, 180295), (13480, 149693), (13990, 144236), (27980, 72118), (36059, 55960)]