123538940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{2543}}^1$

素因数の和:2906

約数の個数: 48

約数和(自身を含む): 297464832

約数和(自身を除く): 173925892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 347, 694, 1388, 1735, 2429, 2543, 3470, 4858, 5086, 6940, 9716, 10172, 12145, 12715, 17801, 24290, 25430, 35602, 48580, 50860, 71204, 89005, 178010, 356020, 882421, 1764842, 3529684, 4412105, 6176947, 8824210, 12353894, 17648420, 24707788, 30884735, 61769470, 123538940]

約数ペア:

[(1, 123538940), (2, 61769470), (4, 30884735), (5, 24707788), (7, 17648420), (10, 12353894), (14, 8824210), (20, 6176947), (28, 4412105), (35, 3529684), (70, 1764842), (140, 882421), (347, 356020), (694, 178010), (1388, 89005), (1735, 71204), (2429, 50860), (2543, 48580), (3470, 35602), (4858, 25430), (5086, 24290), (6940, 17801), (9716, 12715), (10172, 12145)]