219475880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{422069}}^1$

素因数の和:422093

約数の個数: 32

約数和(自身を含む): 531808200

約数和(自身を除く): 312332320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 422069, 844138, 1688276, 2110345, 3376552, 4220690, 5486897, 8441380, 10973794, 16882760, 21947588, 27434485, 43895176, 54868970, 109737940, 219475880]

約数ペア:

[(1, 219475880), (2, 109737940), (4, 54868970), (5, 43895176), (8, 27434485), (10, 21947588), (13, 16882760), (20, 10973794), (26, 8441380), (40, 5486897), (52, 4220690), (65, 3376552), (104, 2110345), (130, 1688276), (260, 844138), (520, 422069)]