77149820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 187729920

約数和(自身を除く): 110580100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 79, 92, 110, 115, 158, 193, 220, 230, 253, 316, 386, 395, 460, 506, 772, 790, 869, 965, 1012, 1265, 1580, 1738, 1817, 1930, 2123, 2530, 3476, 3634, 3860, 4246, 4345, 4439, 5060, 7268, 8492, 8690, 8878, 9085, 10615, 15247, 17380, 17756, 18170, 19987, 21230, 22195, 30494, 36340, 39974, 42460, 44390, 48829, 60988, 76235, 79948, 88780, 97658, 99935, 152470, 167717, 195316, 199870, 244145, 304940, 335434, 350681, 399740, 488290, 670868, 701362, 838585, 976580, 1402724, 1677170, 1753405, 3354340, 3506810, 3857491, 7013620, 7714982, 15429964, 19287455, 38574910, 77149820]

約数ペア:

[(1, 77149820), (2, 38574910), (4, 19287455), (5, 15429964), (10, 7714982), (11, 7013620), (20, 3857491), (22, 3506810), (23, 3354340), (44, 1753405), (46, 1677170), (55, 1402724), (79, 976580), (92, 838585), (110, 701362), (115, 670868), (158, 488290), (193, 399740), (220, 350681), (230, 335434), (253, 304940), (316, 244145), (386, 199870), (395, 195316), (460, 167717), (506, 152470), (772, 99935), (790, 97658), (869, 88780), (965, 79948), (1012, 76235), (1265, 60988), (1580, 48829), (1738, 44390), (1817, 42460), (1930, 39974), (2123, 36340), (2530, 30494), (3476, 22195), (3634, 21230), (3860, 19987), (4246, 18170), (4345, 17756), (4439, 17380), (5060, 15247), (7268, 10615), (8492, 9085), (8690, 8878)]