217636703020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1229}}^1\times {\mathrm{804929}}^1$

素因数の和:806178

約数の個数: 48

約数和(自身を含む): 498992205600

約数和(自身を除く): 281355502580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1229, 2458, 4916, 6145, 12290, 13519, 24580, 27038, 54076, 67595, 135190, 270380, 804929, 1609858, 3219716, 4024645, 8049290, 8854219, 16098580, 17708438, 35416876, 44271095, 88542190, 177084380, 989257741, 1978515482, 3957030964, 4946288705, 9892577410, 10881835151, 19785154820, 21763670302, 43527340604, 54409175755, 108818351510, 217636703020]

約数ペア:

[(1, 217636703020), (2, 108818351510), (4, 54409175755), (5, 43527340604), (10, 21763670302), (11, 19785154820), (20, 10881835151), (22, 9892577410), (44, 4946288705), (55, 3957030964), (110, 1978515482), (220, 989257741), (1229, 177084380), (2458, 88542190), (4916, 44271095), (6145, 35416876), (12290, 17708438), (13519, 16098580), (24580, 8854219), (27038, 8049290), (54076, 4024645), (67595, 3219716), (135190, 1609858), (270380, 804929)]