7139890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 13789440

約数和(自身を除く): 6649550

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 839, 851, 1678, 1702, 4195, 4255, 8390, 8510, 19297, 31043, 38594, 62086, 96485, 155215, 192970, 310430, 713989, 1427978, 3569945, 7139890]

約数ペア:

[(1, 7139890), (2, 3569945), (5, 1427978), (10, 713989), (23, 310430), (37, 192970), (46, 155215), (74, 96485), (115, 62086), (185, 38594), (230, 31043), (370, 19297), (839, 8510), (851, 8390), (1678, 4255), (1702, 4195)]