281757170

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{3323}}^1$

素因数の和:3530

約数の個数: 32

約数和(自身を含む): 519341760

約数和(自身を除く): 237584590

約数列:

[1, 2, 5, 10, 61, 122, 139, 278, 305, 610, 695, 1390, 3323, 6646, 8479, 16615, 16958, 33230, 42395, 84790, 202703, 405406, 461897, 923794, 1013515, 2027030, 2309485, 4618970, 28175717, 56351434, 140878585, 281757170]

約数ペア:

[(1, 281757170), (2, 140878585), (5, 56351434), (10, 28175717), (61, 4618970), (122, 2309485), (139, 2027030), (278, 1013515), (305, 923794), (610, 461897), (695, 405406), (1390, 202703), (3323, 84790), (6646, 42395), (8479, 33230), (16615, 16958)]