280123730

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{354587}}^1$

素因数の和:354673

約数の個数: 16

約数和(自身を含む): 510606720

約数和(自身を除く): 230482990

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 354587, 709174, 1772935, 3545870, 28012373, 56024746, 140061865, 280123730]

約数ペア:

[(1, 280123730), (2, 140061865), (5, 56024746), (10, 28012373), (79, 3545870), (158, 1772935), (395, 709174), (790, 354587)]