127998860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12379}}^1$

素因数の和:12446

約数の個数: 48

約数和(自身を含む): 299496960

約数和(自身を除く): 171498100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 12379, 24758, 49516, 61895, 123790, 136169, 247580, 272338, 544676, 581813, 680845, 1163626, 1361690, 2327252, 2723380, 2909065, 5818130, 6399943, 11636260, 12799886, 25599772, 31999715, 63999430, 127998860]

約数ペア:

[(1, 127998860), (2, 63999430), (4, 31999715), (5, 25599772), (10, 12799886), (11, 11636260), (20, 6399943), (22, 5818130), (44, 2909065), (47, 2723380), (55, 2327252), (94, 1361690), (110, 1163626), (188, 680845), (220, 581813), (235, 544676), (470, 272338), (517, 247580), (940, 136169), (1034, 123790), (2068, 61895), (2585, 49516), (5170, 24758), (10340, 12379)]