285778870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{12281}}^1$

素因数の和:12480

約数の個数: 32

約数和(自身を含む): 557111520

約数和(自身を除く): 271332650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 179, 358, 895, 1790, 2327, 4654, 11635, 12281, 23270, 24562, 61405, 122810, 159653, 319306, 798265, 1596530, 2198299, 4396598, 10991495, 21982990, 28577887, 57155774, 142889435, 285778870]

約数ペア:

[(1, 285778870), (2, 142889435), (5, 57155774), (10, 28577887), (13, 21982990), (26, 10991495), (65, 4396598), (130, 2198299), (179, 1596530), (358, 798265), (895, 319306), (1790, 159653), (2327, 122810), (4654, 61405), (11635, 24562), (12281, 23270)]