214885520

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{9697}}^1$

素因数の和:9987

約数の個数: 40

約数和(自身を含む): 501464184

約数和(自身を除く): 286578664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 2216, 2770, 4432, 5540, 9697, 11080, 19394, 22160, 38788, 48485, 77576, 96970, 155152, 193940, 387880, 775760, 2686069, 5372138, 10744276, 13430345, 21488552, 26860690, 42977104, 53721380, 107442760, 214885520]

約数ペア:

[(1, 214885520), (2, 107442760), (4, 53721380), (5, 42977104), (8, 26860690), (10, 21488552), (16, 13430345), (20, 10744276), (40, 5372138), (80, 2686069), (277, 775760), (554, 387880), (1108, 193940), (1385, 155152), (2216, 96970), (2770, 77576), (4432, 48485), (5540, 38788), (9697, 22160), (11080, 19394)]