79100000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 224423136

約数和(自身を除く): 145323136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 113, 125, 140, 160, 175, 200, 224, 226, 250, 280, 350, 400, 452, 500, 560, 565, 625, 700, 791, 800, 875, 904, 1000, 1120, 1130, 1250, 1400, 1582, 1750, 1808, 2000, 2260, 2500, 2800, 2825, 3125, 3164, 3500, 3616, 3955, 4000, 4375, 4520, 5000, 5600, 5650, 6250, 6328, 7000, 7910, 8750, 9040, 10000, 11300, 12500, 12656, 14000, 14125, 15820, 17500, 18080, 19775, 20000, 21875, 22600, 25000, 25312, 28000, 28250, 31640, 35000, 39550, 43750, 45200, 50000, 56500, 63280, 70000, 70625, 79100, 87500, 90400, 98875, 100000, 113000, 126560, 140000, 141250, 158200, 175000, 197750, 226000, 282500, 316400, 350000, 353125, 395500, 452000, 494375, 565000, 632800, 700000, 706250, 791000, 988750, 1130000, 1412500, 1582000, 1977500, 2260000, 2471875, 2825000, 3164000, 3955000, 4943750, 5650000, 7910000, 9887500, 11300000, 15820000, 19775000, 39550000, 79100000]

約数ペア:

[(1, 79100000), (2, 39550000), (4, 19775000), (5, 15820000), (7, 11300000), (8, 9887500), (10, 7910000), (14, 5650000), (16, 4943750), (20, 3955000), (25, 3164000), (28, 2825000), (32, 2471875), (35, 2260000), (40, 1977500), (50, 1582000), (56, 1412500), (70, 1130000), (80, 988750), (100, 791000), (112, 706250), (113, 700000), (125, 632800), (140, 565000), (160, 494375), (175, 452000), (200, 395500), (224, 353125), (226, 350000), (250, 316400), (280, 282500), (350, 226000), (400, 197750), (452, 175000), (500, 158200), (560, 141250), (565, 140000), (625, 126560), (700, 113000), (791, 100000), (800, 98875), (875, 90400), (904, 87500), (1000, 79100), (1120, 70625), (1130, 70000), (1250, 63280), (1400, 56500), (1582, 50000), (1750, 45200), (1808, 43750), (2000, 39550), (2260, 35000), (2500, 31640), (2800, 28250), (2825, 28000), (3125, 25312), (3164, 25000), (3500, 22600), (3616, 21875), (3955, 20000), (4000, 19775), (4375, 18080), (4520, 17500), (5000, 15820), (5600, 14125), (5650, 14000), (6250, 12656), (6328, 12500), (7000, 11300), (7910, 10000), (8750, 9040)]