320989890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{823051}}^1$

素因数の和:823074

約数の個数: 32

約数和(自身を含む): 829636416

約数和(自身を除く): 508646526

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 823051, 1646102, 2469153, 4115255, 4938306, 8230510, 10699663, 12345765, 21399326, 24691530, 32098989, 53498315, 64197978, 106996630, 160494945, 320989890]

約数ペア:

[(1, 320989890), (2, 160494945), (3, 106996630), (5, 64197978), (6, 53498315), (10, 32098989), (13, 24691530), (15, 21399326), (26, 12345765), (30, 10699663), (39, 8230510), (65, 4938306), (78, 4115255), (130, 2469153), (195, 1646102), (390, 823051)]