28809110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 31532650

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 59, 110, 115, 118, 193, 230, 253, 295, 386, 506, 590, 649, 965, 1265, 1298, 1357, 1930, 2123, 2530, 2714, 3245, 4246, 4439, 6490, 6785, 8878, 10615, 11387, 13570, 14927, 21230, 22195, 22774, 29854, 44390, 48829, 56935, 74635, 97658, 113870, 125257, 149270, 244145, 250514, 261901, 488290, 523802, 626285, 1252570, 1309505, 2619010, 2880911, 5761822, 14404555, 28809110]

約数ペア:

[(1, 28809110), (2, 14404555), (5, 5761822), (10, 2880911), (11, 2619010), (22, 1309505), (23, 1252570), (46, 626285), (55, 523802), (59, 488290), (110, 261901), (115, 250514), (118, 244145), (193, 149270), (230, 125257), (253, 113870), (295, 97658), (386, 74635), (506, 56935), (590, 48829), (649, 44390), (965, 29854), (1265, 22774), (1298, 22195), (1357, 21230), (1930, 14927), (2123, 13570), (2530, 11387), (2714, 10615), (3245, 8878), (4246, 6785), (4439, 6490)]