209817070

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{295517}}^1$

素因数の和:295595

約数の個数: 16

約数和(自身を含む): 382991328

約数和(自身を除く): 173174258

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 295517, 591034, 1477585, 2955170, 20981707, 41963414, 104908535, 209817070]

約数ペア:

[(1, 209817070), (2, 104908535), (5, 41963414), (10, 20981707), (71, 2955170), (142, 1477585), (355, 591034), (710, 295517)]