177712340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1063}}^1$

素因数の和:1728

約数の個数: 48

約数和(自身を含む): 402907008

約数和(自身を除く): 225194668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 643, 1063, 1286, 2126, 2572, 3215, 4252, 5315, 6430, 8359, 10630, 12860, 13819, 16718, 21260, 27638, 33436, 41795, 55276, 69095, 83590, 138190, 167180, 276380, 683509, 1367018, 2734036, 3417545, 6835090, 8885617, 13670180, 17771234, 35542468, 44428085, 88856170, 177712340]

約数ペア:

[(1, 177712340), (2, 88856170), (4, 44428085), (5, 35542468), (10, 17771234), (13, 13670180), (20, 8885617), (26, 6835090), (52, 3417545), (65, 2734036), (130, 1367018), (260, 683509), (643, 276380), (1063, 167180), (1286, 138190), (2126, 83590), (2572, 69095), (3215, 55276), (4252, 41795), (5315, 33436), (6430, 27638), (8359, 21260), (10630, 16718), (12860, 13819)]