2190391990

素因数分解:

$2^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{418813}}^1$

素因数の和:419343

約数の個数: 16

約数和(自身を含む): 3950253648

約数和(自身を除く): 1759861658

約数列:

[1, 2, 5, 10, 523, 1046, 2615, 5230, 418813, 837626, 2094065, 4188130, 219039199, 438078398, 1095195995, 2190391990]

約数ペア:

[(1, 2190391990), (2, 1095195995), (5, 438078398), (10, 219039199), (523, 4188130), (1046, 2094065), (2615, 837626), (5230, 418813)]