87989940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{488833}}^1$

素因数の和:488848

約数の個数: 36

約数和(自身を含む): 266903364

約数和(自身を除く): 178913424

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 488833, 977666, 1466499, 1955332, 2444165, 2932998, 4399497, 4888330, 5865996, 7332495, 8798994, 9776660, 14664990, 17597988, 21997485, 29329980, 43994970, 87989940]

約数ペア:

[(1, 87989940), (2, 43994970), (3, 29329980), (4, 21997485), (5, 17597988), (6, 14664990), (9, 9776660), (10, 8798994), (12, 7332495), (15, 5865996), (18, 4888330), (20, 4399497), (30, 2932998), (36, 2444165), (45, 1955332), (60, 1466499), (90, 977666), (180, 488833)]