2808279375

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2978

約数の個数: 80

約数和(自身を含む): 5214730752

約数和(自身を除く): 2406451377

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 125, 141, 165, 235, 275, 375, 517, 625, 705, 825, 1175, 1375, 1551, 1875, 2585, 2897, 3525, 4125, 5875, 6875, 7755, 8691, 12925, 14485, 17625, 20625, 29375, 31867, 38775, 43455, 64625, 72425, 88125, 95601, 136159, 159335, 193875, 217275, 323125, 362125, 408477, 478005, 680795, 796675, 969375, 1086375, 1497749, 1810625, 2042385, 2390025, 3403975, 3983375, 4493247, 5431875, 7488745, 10211925, 11950125, 17019875, 19916875, 22466235, 37443725, 51059625, 59750625, 85099375, 112331175, 187218625, 255298125, 561655875, 936093125, 2808279375]

約数ペア:

[(1, 2808279375), (3, 936093125), (5, 561655875), (11, 255298125), (15, 187218625), (25, 112331175), (33, 85099375), (47, 59750625), (55, 51059625), (75, 37443725), (125, 22466235), (141, 19916875), (165, 17019875), (235, 11950125), (275, 10211925), (375, 7488745), (517, 5431875), (625, 4493247), (705, 3983375), (825, 3403975), (1175, 2390025), (1375, 2042385), (1551, 1810625), (1875, 1497749), (2585, 1086375), (2897, 969375), (3525, 796675), (4125, 680795), (5875, 478005), (6875, 408477), (7755, 362125), (8691, 323125), (12925, 217275), (14485, 193875), (17625, 159335), (20625, 136159), (29375, 95601), (31867, 88125), (38775, 72425), (43455, 64625)]