90000002490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{356591}}^1$

素因数の和:356827

約数の個数: 64

約数和(自身を含む): 221828751360

約数和(自身を除く): 131828748870

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 94, 141, 179, 235, 282, 358, 470, 537, 705, 895, 1074, 1410, 1790, 2685, 5370, 8413, 16826, 25239, 42065, 50478, 84130, 126195, 252390, 356591, 713182, 1069773, 1782955, 2139546, 3565910, 5348865, 10697730, 16759777, 33519554, 50279331, 63829789, 83798885, 100558662, 127659578, 167597770, 191489367, 251396655, 319148945, 382978734, 502793310, 638297890, 957446835, 1914893670, 3000000083, 6000000166, 9000000249, 15000000415, 18000000498, 30000000830, 45000001245, 90000002490]

約数ペア:

[(1, 90000002490), (2, 45000001245), (3, 30000000830), (5, 18000000498), (6, 15000000415), (10, 9000000249), (15, 6000000166), (30, 3000000083), (47, 1914893670), (94, 957446835), (141, 638297890), (179, 502793310), (235, 382978734), (282, 319148945), (358, 251396655), (470, 191489367), (537, 167597770), (705, 127659578), (895, 100558662), (1074, 83798885), (1410, 63829789), (1790, 50279331), (2685, 33519554), (5370, 16759777), (8413, 10697730), (16826, 5348865), (25239, 3565910), (42065, 2139546), (50478, 1782955), (84130, 1069773), (126195, 713182), (252390, 356591)]