68983750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 146765520

約数和(自身を除く): 77781770

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 125, 145, 173, 250, 275, 290, 319, 346, 550, 625, 638, 725, 865, 1250, 1375, 1450, 1595, 1730, 1903, 2750, 3190, 3625, 3806, 4325, 5017, 6875, 7250, 7975, 8650, 9515, 10034, 13750, 15950, 18125, 19030, 21625, 25085, 36250, 39875, 43250, 47575, 50170, 55187, 79750, 95150, 108125, 110374, 125425, 199375, 216250, 237875, 250850, 275935, 398750, 475750, 551870, 627125, 1189375, 1254250, 1379675, 2378750, 2759350, 3135625, 6271250, 6898375, 13796750, 34491875, 68983750]

約数ペア:

[(1, 68983750), (2, 34491875), (5, 13796750), (10, 6898375), (11, 6271250), (22, 3135625), (25, 2759350), (29, 2378750), (50, 1379675), (55, 1254250), (58, 1189375), (110, 627125), (125, 551870), (145, 475750), (173, 398750), (250, 275935), (275, 250850), (290, 237875), (319, 216250), (346, 199375), (550, 125425), (625, 110374), (638, 108125), (725, 95150), (865, 79750), (1250, 55187), (1375, 50170), (1450, 47575), (1595, 43250), (1730, 39875), (1903, 36250), (2750, 25085), (3190, 21625), (3625, 19030), (3806, 18125), (4325, 15950), (5017, 13750), (6875, 10034), (7250, 9515), (7975, 8650)]