217423900

素因数分解:

$2^2\times 5^2\times {\mathrm{1151}}^1\times {\mathrm{1889}}^1$

素因数の和:3054

約数の個数: 36

約数和(自身を含む): 472469760

約数和(自身を除く): 255045860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1151, 1889, 2302, 3778, 4604, 5755, 7556, 9445, 11510, 18890, 23020, 28775, 37780, 47225, 57550, 94450, 115100, 188900, 2174239, 4348478, 8696956, 10871195, 21742390, 43484780, 54355975, 108711950, 217423900]

約数ペア:

[(1, 217423900), (2, 108711950), (4, 54355975), (5, 43484780), (10, 21742390), (20, 10871195), (25, 8696956), (50, 4348478), (100, 2174239), (1151, 188900), (1889, 115100), (2302, 94450), (3778, 57550), (4604, 47225), (5755, 37780), (7556, 28775), (9445, 23020), (11510, 18890)]