248240000

素因数分解:

$2^7\times 5^4\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 160

約数和(自身を含む): 645262200

約数和(自身を除く): 397022200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 107, 116, 125, 128, 145, 160, 200, 214, 232, 250, 290, 320, 400, 428, 464, 500, 535, 580, 625, 640, 725, 800, 856, 928, 1000, 1070, 1160, 1250, 1450, 1600, 1712, 1856, 2000, 2140, 2320, 2500, 2675, 2900, 3103, 3200, 3424, 3625, 3712, 4000, 4280, 4640, 5000, 5350, 5800, 6206, 6848, 7250, 8000, 8560, 9280, 10000, 10700, 11600, 12412, 13375, 13696, 14500, 15515, 16000, 17120, 18125, 18560, 20000, 21400, 23200, 24824, 26750, 29000, 31030, 34240, 36250, 40000, 42800, 46400, 49648, 53500, 58000, 62060, 66875, 68480, 72500, 77575, 80000, 85600, 92800, 99296, 107000, 116000, 124120, 133750, 145000, 155150, 171200, 198592, 214000, 232000, 248240, 267500, 290000, 310300, 342400, 387875, 397184, 428000, 464000, 496480, 535000, 580000, 620600, 775750, 856000, 992960, 1070000, 1160000, 1241200, 1551500, 1712000, 1939375, 1985920, 2140000, 2320000, 2482400, 3103000, 3878750, 4280000, 4964800, 6206000, 7757500, 8560000, 9929600, 12412000, 15515000, 24824000, 31030000, 49648000, 62060000, 124120000, 248240000]

約数ペア:

[(1, 248240000), (2, 124120000), (4, 62060000), (5, 49648000), (8, 31030000), (10, 24824000), (16, 15515000), (20, 12412000), (25, 9929600), (29, 8560000), (32, 7757500), (40, 6206000), (50, 4964800), (58, 4280000), (64, 3878750), (80, 3103000), (100, 2482400), (107, 2320000), (116, 2140000), (125, 1985920), (128, 1939375), (145, 1712000), (160, 1551500), (200, 1241200), (214, 1160000), (232, 1070000), (250, 992960), (290, 856000), (320, 775750), (400, 620600), (428, 580000), (464, 535000), (500, 496480), (535, 464000), (580, 428000), (625, 397184), (640, 387875), (725, 342400), (800, 310300), (856, 290000), (928, 267500), (1000, 248240), (1070, 232000), (1160, 214000), (1250, 198592), (1450, 171200), (1600, 155150), (1712, 145000), (1856, 133750), (2000, 124120), (2140, 116000), (2320, 107000), (2500, 99296), (2675, 92800), (2900, 85600), (3103, 80000), (3200, 77575), (3424, 72500), (3625, 68480), (3712, 66875), (4000, 62060), (4280, 58000), (4640, 53500), (5000, 49648), (5350, 46400), (5800, 42800), (6206, 40000), (6848, 36250), (7250, 34240), (8000, 31030), (8560, 29000), (9280, 26750), (10000, 24824), (10700, 23200), (11600, 21400), (12412, 20000), (13375, 18560), (13696, 18125), (14500, 17120), (15515, 16000)]