128400733430

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{144270487}}^1$

素因数の和:144270583

約数の個数: 16

約数和(自身を含む): 233718190560

約数和(自身を除く): 105317457130

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 144270487, 288540974, 721352435, 1442704870, 12840073343, 25680146686, 64200366715, 128400733430]

約数ペア:

[(1, 128400733430), (2, 64200366715), (5, 25680146686), (10, 12840073343), (89, 1442704870), (178, 721352435), (445, 288540974), (890, 144270487)]