243692390

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{1249}}^1$

素因数の和:1544

約数の個数: 32

約数和(自身を含む): 445500000

約数和(自身を除く): 201807610

約数列:

[1, 2, 5, 10, 109, 179, 218, 358, 545, 895, 1090, 1249, 1790, 2498, 6245, 12490, 19511, 39022, 97555, 136141, 195110, 223571, 272282, 447142, 680705, 1117855, 1361410, 2235710, 24369239, 48738478, 121846195, 243692390]

約数ペア:

[(1, 243692390), (2, 121846195), (5, 48738478), (10, 24369239), (109, 2235710), (179, 1361410), (218, 1117855), (358, 680705), (545, 447142), (895, 272282), (1090, 223571), (1249, 195110), (1790, 136141), (2498, 97555), (6245, 39022), (12490, 19511)]