788893000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:728

約数の個数: 128

約数和(自身を含む): 2122848000

約数和(自身を除く): 1333955000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 251, 280, 350, 449, 500, 502, 700, 875, 898, 1000, 1004, 1255, 1400, 1750, 1757, 1796, 2008, 2245, 2510, 3143, 3500, 3514, 3592, 4490, 5020, 6275, 6286, 7000, 7028, 8785, 8980, 10040, 11225, 12550, 12572, 14056, 15715, 17570, 17960, 22450, 25100, 25144, 31375, 31430, 35140, 43925, 44900, 50200, 56125, 62750, 62860, 70280, 78575, 87850, 89800, 112250, 112699, 125500, 125720, 157150, 175700, 219625, 224500, 225398, 251000, 314300, 351400, 392875, 439250, 449000, 450796, 563495, 628600, 785750, 788893, 878500, 901592, 1126990, 1571500, 1577786, 1757000, 2253980, 2817475, 3143000, 3155572, 3944465, 4507960, 5634950, 6311144, 7888930, 11269900, 14087375, 15777860, 19722325, 22539800, 28174750, 31555720, 39444650, 56349500, 78889300, 98611625, 112699000, 157778600, 197223250, 394446500, 788893000]

約数ペア:

[(1, 788893000), (2, 394446500), (4, 197223250), (5, 157778600), (7, 112699000), (8, 98611625), (10, 78889300), (14, 56349500), (20, 39444650), (25, 31555720), (28, 28174750), (35, 22539800), (40, 19722325), (50, 15777860), (56, 14087375), (70, 11269900), (100, 7888930), (125, 6311144), (140, 5634950), (175, 4507960), (200, 3944465), (250, 3155572), (251, 3143000), (280, 2817475), (350, 2253980), (449, 1757000), (500, 1577786), (502, 1571500), (700, 1126990), (875, 901592), (898, 878500), (1000, 788893), (1004, 785750), (1255, 628600), (1400, 563495), (1750, 450796), (1757, 449000), (1796, 439250), (2008, 392875), (2245, 351400), (2510, 314300), (3143, 251000), (3500, 225398), (3514, 224500), (3592, 219625), (4490, 175700), (5020, 157150), (6275, 125720), (6286, 125500), (7000, 112699), (7028, 112250), (8785, 89800), (8980, 87850), (10040, 78575), (11225, 70280), (12550, 62860), (12572, 62750), (14056, 56125), (15715, 50200), (17570, 44900), (17960, 43925), (22450, 35140), (25100, 31430), (25144, 31375)]