2009353970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{498599}}^1$

素因数の和:498650

約数の個数: 32

約数和(自身を含む): 4020710400

約数和(自身を除く): 2011356430

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 498599, 997198, 2492995, 4985990, 6481787, 12963574, 15456569, 30913138, 32408935, 64817870, 77282845, 154565690, 200935397, 401870794, 1004676985, 2009353970]

約数ペア:

[(1, 2009353970), (2, 1004676985), (5, 401870794), (10, 200935397), (13, 154565690), (26, 77282845), (31, 64817870), (62, 32408935), (65, 30913138), (130, 15456569), (155, 12963574), (310, 6481787), (403, 4985990), (806, 2492995), (2015, 997198), (4030, 498599)]