63980000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{457}}^1$

素因数の和:494

約数の個数: 120

約数和(自身を含む): 180279792

約数和(自身を除く): 116299792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 350, 400, 457, 500, 560, 625, 700, 800, 875, 914, 1000, 1120, 1250, 1400, 1750, 1828, 2000, 2285, 2500, 2800, 3199, 3500, 3656, 4000, 4375, 4570, 5000, 5600, 6398, 7000, 7312, 8750, 9140, 10000, 11425, 12796, 14000, 14624, 15995, 17500, 18280, 20000, 22850, 25592, 28000, 31990, 35000, 36560, 45700, 51184, 57125, 63980, 70000, 73120, 79975, 91400, 102368, 114250, 127960, 140000, 159950, 182800, 228500, 255920, 285625, 319900, 365600, 399875, 457000, 511840, 571250, 639800, 799750, 914000, 1142500, 1279600, 1599500, 1828000, 1999375, 2285000, 2559200, 3199000, 3998750, 4570000, 6398000, 7997500, 9140000, 12796000, 15995000, 31990000, 63980000]

約数ペア:

[(1, 63980000), (2, 31990000), (4, 15995000), (5, 12796000), (7, 9140000), (8, 7997500), (10, 6398000), (14, 4570000), (16, 3998750), (20, 3199000), (25, 2559200), (28, 2285000), (32, 1999375), (35, 1828000), (40, 1599500), (50, 1279600), (56, 1142500), (70, 914000), (80, 799750), (100, 639800), (112, 571250), (125, 511840), (140, 457000), (160, 399875), (175, 365600), (200, 319900), (224, 285625), (250, 255920), (280, 228500), (350, 182800), (400, 159950), (457, 140000), (500, 127960), (560, 114250), (625, 102368), (700, 91400), (800, 79975), (875, 73120), (914, 70000), (1000, 63980), (1120, 57125), (1250, 51184), (1400, 45700), (1750, 36560), (1828, 35000), (2000, 31990), (2285, 28000), (2500, 25592), (2800, 22850), (3199, 20000), (3500, 18280), (3656, 17500), (4000, 15995), (4375, 14624), (4570, 14000), (5000, 12796), (5600, 11425), (6398, 10000), (7000, 9140), (7312, 8750)]