1788141025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 2547024480

約数和(自身を除く): 758883455

約数列:

[1, 5, 11, 25, 43, 55, 59, 121, 215, 233, 275, 295, 473, 605, 649, 1075, 1165, 1475, 2365, 2537, 2563, 3025, 3245, 5203, 5825, 7139, 10019, 11825, 12685, 12815, 13747, 16225, 26015, 27907, 28193, 35695, 50095, 63425, 64075, 68735, 110209, 130075, 139535, 140965, 151217, 178475, 250475, 306977, 343675, 551045, 591121, 697675, 704825, 756085, 1212299, 1534885, 1663387, 2755225, 2955605, 3780425, 6061495, 6502331, 7674425, 8316935, 14778025, 30307475, 32511655, 41584675, 71525641, 162558275, 357628205, 1788141025]

約数ペア:

[(1, 1788141025), (5, 357628205), (11, 162558275), (25, 71525641), (43, 41584675), (55, 32511655), (59, 30307475), (121, 14778025), (215, 8316935), (233, 7674425), (275, 6502331), (295, 6061495), (473, 3780425), (605, 2955605), (649, 2755225), (1075, 1663387), (1165, 1534885), (1475, 1212299), (2365, 756085), (2537, 704825), (2563, 697675), (3025, 591121), (3245, 551045), (5203, 343675), (5825, 306977), (7139, 250475), (10019, 178475), (11825, 151217), (12685, 140965), (12815, 139535), (13747, 130075), (16225, 110209), (26015, 68735), (27907, 64075), (28193, 63425), (35695, 50095)]