305320000

素因数分解:

$2^6\times 5^4\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:498

約数の個数: 140

約数和(自身を含む): 803414700

約数和(自身を除く): 498094700

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 125, 136, 160, 170, 200, 250, 272, 320, 340, 400, 425, 449, 500, 544, 625, 680, 800, 850, 898, 1000, 1088, 1250, 1360, 1600, 1700, 1796, 2000, 2125, 2245, 2500, 2720, 3400, 3592, 4000, 4250, 4490, 5000, 5440, 6800, 7184, 7633, 8000, 8500, 8980, 10000, 10625, 11225, 13600, 14368, 15266, 17000, 17960, 20000, 21250, 22450, 27200, 28736, 30532, 34000, 35920, 38165, 40000, 42500, 44900, 56125, 61064, 68000, 71840, 76330, 85000, 89800, 112250, 122128, 136000, 143680, 152660, 170000, 179600, 190825, 224500, 244256, 280625, 305320, 340000, 359200, 381650, 449000, 488512, 561250, 610640, 680000, 718400, 763300, 898000, 954125, 1122500, 1221280, 1526600, 1796000, 1908250, 2245000, 2442560, 3053200, 3592000, 3816500, 4490000, 4770625, 6106400, 7633000, 8980000, 9541250, 12212800, 15266000, 17960000, 19082500, 30532000, 38165000, 61064000, 76330000, 152660000, 305320000]

約数ペア:

[(1, 305320000), (2, 152660000), (4, 76330000), (5, 61064000), (8, 38165000), (10, 30532000), (16, 19082500), (17, 17960000), (20, 15266000), (25, 12212800), (32, 9541250), (34, 8980000), (40, 7633000), (50, 6106400), (64, 4770625), (68, 4490000), (80, 3816500), (85, 3592000), (100, 3053200), (125, 2442560), (136, 2245000), (160, 1908250), (170, 1796000), (200, 1526600), (250, 1221280), (272, 1122500), (320, 954125), (340, 898000), (400, 763300), (425, 718400), (449, 680000), (500, 610640), (544, 561250), (625, 488512), (680, 449000), (800, 381650), (850, 359200), (898, 340000), (1000, 305320), (1088, 280625), (1250, 244256), (1360, 224500), (1600, 190825), (1700, 179600), (1796, 170000), (2000, 152660), (2125, 143680), (2245, 136000), (2500, 122128), (2720, 112250), (3400, 89800), (3592, 85000), (4000, 76330), (4250, 71840), (4490, 68000), (5000, 61064), (5440, 56125), (6800, 44900), (7184, 42500), (7633, 40000), (8000, 38165), (8500, 35920), (8980, 34000), (10000, 30532), (10625, 28736), (11225, 27200), (13600, 22450), (14368, 21250), (15266, 20000), (17000, 17960)]