83778940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{598421}}^1$

素因数の和:598437

約数の個数: 24

約数和(自身を含む): 201069792

約数和(自身を除く): 117290852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 598421, 1196842, 2393684, 2992105, 4188947, 5984210, 8377894, 11968420, 16755788, 20944735, 41889470, 83778940]

約数ペア:

[(1, 83778940), (2, 41889470), (4, 20944735), (5, 16755788), (7, 11968420), (10, 8377894), (14, 5984210), (20, 4188947), (28, 2992105), (35, 2393684), (70, 1196842), (140, 598421)]