223230486520

素因数分解:

$2^3\times 5^1\times {\mathrm{21391}}^1\times {\mathrm{260893}}^1$

素因数の和:282295

約数の個数: 32

約数和(自身を含む): 502294000320

約数和(自身を除く): 279063513800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21391, 42782, 85564, 106955, 171128, 213910, 260893, 427820, 521786, 855640, 1043572, 1304465, 2087144, 2608930, 5217860, 10435720, 5580762163, 11161524326, 22323048652, 27903810815, 44646097304, 55807621630, 111615243260, 223230486520]

約数ペア:

[(1, 223230486520), (2, 111615243260), (4, 55807621630), (5, 44646097304), (8, 27903810815), (10, 22323048652), (20, 11161524326), (40, 5580762163), (21391, 10435720), (42782, 5217860), (85564, 2608930), (106955, 2087144), (171128, 1304465), (213910, 1043572), (260893, 855640), (427820, 521786)]