243614440

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{53897}}^1$

素因数の和:54021

約数の個数: 32

約数和(自身を含む): 552993480

約数和(自身を除く): 309379040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 53897, 107794, 215588, 269485, 431176, 538970, 1077940, 2155880, 6090361, 12180722, 24361444, 30451805, 48722888, 60903610, 121807220, 243614440]

約数ペア:

[(1, 243614440), (2, 121807220), (4, 60903610), (5, 48722888), (8, 30451805), (10, 24361444), (20, 12180722), (40, 6090361), (113, 2155880), (226, 1077940), (452, 538970), (565, 431176), (904, 269485), (1130, 215588), (2260, 107794), (4520, 53897)]