1218229240

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{284633}}^1$

素因数の和:284751

約数の個数: 32

約数和(自身を含む): 2766642480

約数和(自身を除く): 1548413240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 284633, 569266, 1138532, 1423165, 2277064, 2846330, 5692660, 11385320, 30455731, 60911462, 121822924, 152278655, 243645848, 304557310, 609114620, 1218229240]

約数ペア:

[(1, 1218229240), (2, 609114620), (4, 304557310), (5, 243645848), (8, 152278655), (10, 121822924), (20, 60911462), (40, 30455731), (107, 11385320), (214, 5692660), (428, 2846330), (535, 2277064), (856, 1423165), (1070, 1138532), (2140, 569266), (4280, 284633)]