1558917717820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{4415447}}^1$

素因数の和:4415722

約数の個数: 48

約数和(自身を含む): 3323242782720

約数和(自身を除く): 1764325064900

約数列:

[1, 2, 4, 5, 10, 20, 127, 139, 254, 278, 508, 556, 635, 695, 1270, 1390, 2540, 2780, 17653, 35306, 70612, 88265, 176530, 353060, 4415447, 8830894, 17661788, 22077235, 44154470, 88308940, 560761769, 613747133, 1121523538, 1227494266, 2243047076, 2454988532, 2803808845, 3068735665, 5607617690, 6137471330, 11215235380, 12274942660, 77945885891, 155891771782, 311783543564, 389729429455, 779458858910, 1558917717820]

約数ペア:

[(1, 1558917717820), (2, 779458858910), (4, 389729429455), (5, 311783543564), (10, 155891771782), (20, 77945885891), (127, 12274942660), (139, 11215235380), (254, 6137471330), (278, 5607617690), (508, 3068735665), (556, 2803808845), (635, 2454988532), (695, 2243047076), (1270, 1227494266), (1390, 1121523538), (2540, 613747133), (2780, 560761769), (17653, 88308940), (35306, 44154470), (70612, 22077235), (88265, 17661788), (176530, 8830894), (353060, 4415447)]