2840305875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 5376983040

約数和(自身を除く): 2536677165

約数列:

[1, 3, 5, 11, 15, 25, 33, 43, 55, 67, 75, 125, 129, 165, 201, 215, 239, 275, 335, 375, 473, 645, 717, 737, 825, 1005, 1075, 1195, 1375, 1419, 1675, 2211, 2365, 2629, 2881, 3225, 3585, 3685, 4125, 5025, 5375, 5975, 7095, 7887, 8375, 8643, 10277, 11055, 11825, 13145, 14405, 16013, 16125, 17925, 18425, 25125, 29875, 30831, 31691, 35475, 39435, 43215, 48039, 51385, 55275, 59125, 65725, 72025, 80065, 89625, 92125, 95073, 113047, 154155, 158455, 176143, 177375, 197175, 216075, 240195, 256925, 276375, 328625, 339141, 360125, 400325, 475365, 528429, 565235, 688559, 770775, 792275, 880715, 985875, 1080375, 1200975, 1284625, 1695705, 2001625, 2065677, 2376825, 2642145, 2826175, 3442795, 3853875, 3961375, 4403575, 6004875, 7574149, 8478525, 10328385, 11884125, 13210725, 14130875, 17213975, 22017875, 22722447, 37870745, 42392625, 51641925, 66053625, 86069875, 113612235, 189353725, 258209625, 568061175, 946768625, 2840305875]

約数ペア:

[(1, 2840305875), (3, 946768625), (5, 568061175), (11, 258209625), (15, 189353725), (25, 113612235), (33, 86069875), (43, 66053625), (55, 51641925), (67, 42392625), (75, 37870745), (125, 22722447), (129, 22017875), (165, 17213975), (201, 14130875), (215, 13210725), (239, 11884125), (275, 10328385), (335, 8478525), (375, 7574149), (473, 6004875), (645, 4403575), (717, 3961375), (737, 3853875), (825, 3442795), (1005, 2826175), (1075, 2642145), (1195, 2376825), (1375, 2065677), (1419, 2001625), (1675, 1695705), (2211, 1284625), (2365, 1200975), (2629, 1080375), (2881, 985875), (3225, 880715), (3585, 792275), (3685, 770775), (4125, 688559), (5025, 565235), (5375, 528429), (5975, 475365), (7095, 400325), (7887, 360125), (8375, 339141), (8643, 328625), (10277, 276375), (11055, 256925), (11825, 240195), (13145, 216075), (14405, 197175), (16013, 177375), (16125, 176143), (17925, 158455), (18425, 154155), (25125, 113047), (29875, 95073), (30831, 92125), (31691, 89625), (35475, 80065), (39435, 72025), (43215, 65725), (48039, 59125), (51385, 55275)]