289206730

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{121007}}^1$

素因数の和:121253

約数の個数: 16

約数和(自身を含む): 522754560

約数和(自身を除く): 233547830

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 121007, 242014, 605035, 1210070, 28920673, 57841346, 144603365, 289206730]

約数ペア:

[(1, 289206730), (2, 144603365), (5, 57841346), (10, 28920673), (239, 1210070), (478, 605035), (1195, 242014), (2390, 121007)]