1008085478420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{709919351}}^1$

素因数の和:709919431

約数の個数: 24

約数和(自身を含む): 2146796120448

約数和(自身を除く): 1138710642028

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 709919351, 1419838702, 2839677404, 3549596755, 7099193510, 14198387020, 50404273921, 100808547842, 201617095684, 252021369605, 504042739210, 1008085478420]

約数ペア:

[(1, 1008085478420), (2, 504042739210), (4, 252021369605), (5, 201617095684), (10, 100808547842), (20, 50404273921), (71, 14198387020), (142, 7099193510), (284, 3549596755), (355, 2839677404), (710, 1419838702), (1420, 709919351)]