221419940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1093}}^1\times {\mathrm{1447}}^1$

素因数の和:2556

約数の個数: 48

約数和(自身を含む): 532261632

約数和(自身を除く): 310841692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1093, 1447, 2186, 2894, 4372, 5465, 5788, 7235, 7651, 10129, 10930, 14470, 15302, 20258, 21860, 28940, 30604, 38255, 40516, 50645, 76510, 101290, 153020, 202580, 1581571, 3163142, 6326284, 7907855, 11070997, 15815710, 22141994, 31631420, 44283988, 55354985, 110709970, 221419940]

約数ペア:

[(1, 221419940), (2, 110709970), (4, 55354985), (5, 44283988), (7, 31631420), (10, 22141994), (14, 15815710), (20, 11070997), (28, 7907855), (35, 6326284), (70, 3163142), (140, 1581571), (1093, 202580), (1447, 153020), (2186, 101290), (2894, 76510), (4372, 50645), (5465, 40516), (5788, 38255), (7235, 30604), (7651, 28940), (10129, 21860), (10930, 20258), (14470, 15302)]