248960000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 110

約数和(自身を含む): 623495730

約数和(自身を除く): 374535730

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 389, 400, 500, 512, 625, 640, 778, 800, 1000, 1024, 1250, 1280, 1556, 1600, 1945, 2000, 2500, 2560, 3112, 3200, 3890, 4000, 5000, 5120, 6224, 6400, 7780, 8000, 9725, 10000, 12448, 12800, 15560, 16000, 19450, 20000, 24896, 25600, 31120, 32000, 38900, 40000, 48625, 49792, 62240, 64000, 77800, 80000, 97250, 99584, 124480, 128000, 155600, 160000, 194500, 199168, 243125, 248960, 311200, 320000, 389000, 398336, 486250, 497920, 622400, 640000, 778000, 972500, 995840, 1244800, 1556000, 1945000, 1991680, 2489600, 3112000, 3890000, 4979200, 6224000, 7780000, 9958400, 12448000, 15560000, 24896000, 31120000, 49792000, 62240000, 124480000, 248960000]

約数ペア:

[(1, 248960000), (2, 124480000), (4, 62240000), (5, 49792000), (8, 31120000), (10, 24896000), (16, 15560000), (20, 12448000), (25, 9958400), (32, 7780000), (40, 6224000), (50, 4979200), (64, 3890000), (80, 3112000), (100, 2489600), (125, 1991680), (128, 1945000), (160, 1556000), (200, 1244800), (250, 995840), (256, 972500), (320, 778000), (389, 640000), (400, 622400), (500, 497920), (512, 486250), (625, 398336), (640, 389000), (778, 320000), (800, 311200), (1000, 248960), (1024, 243125), (1250, 199168), (1280, 194500), (1556, 160000), (1600, 155600), (1945, 128000), (2000, 124480), (2500, 99584), (2560, 97250), (3112, 80000), (3200, 77800), (3890, 64000), (4000, 62240), (5000, 49792), (5120, 48625), (6224, 40000), (6400, 38900), (7780, 32000), (8000, 31120), (9725, 25600), (10000, 24896), (12448, 20000), (12800, 19450), (15560, 16000)]