71008000

素因数分解:

$2^8\times 5^3\times 7^1\times {\mathrm{317}}^1$

素因数の和:355

約数の個数: 144

約数和(自身を含む): 202797504

約数和(自身を除く): 131789504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 317, 320, 350, 400, 448, 500, 560, 634, 640, 700, 800, 875, 896, 1000, 1120, 1268, 1280, 1400, 1585, 1600, 1750, 1792, 2000, 2219, 2240, 2536, 2800, 3170, 3200, 3500, 4000, 4438, 4480, 5072, 5600, 6340, 6400, 7000, 7925, 8000, 8876, 8960, 10144, 11095, 11200, 12680, 14000, 15850, 16000, 17752, 20288, 22190, 22400, 25360, 28000, 31700, 32000, 35504, 39625, 40576, 44380, 44800, 50720, 55475, 56000, 63400, 71008, 79250, 81152, 88760, 101440, 110950, 112000, 126800, 142016, 158500, 177520, 202880, 221900, 224000, 253600, 277375, 284032, 317000, 355040, 405760, 443800, 507200, 554750, 568064, 634000, 710080, 887600, 1014400, 1109500, 1268000, 1420160, 1775200, 2028800, 2219000, 2536000, 2840320, 3550400, 4438000, 5072000, 7100800, 8876000, 10144000, 14201600, 17752000, 35504000, 71008000]

約数ペア:

[(1, 71008000), (2, 35504000), (4, 17752000), (5, 14201600), (7, 10144000), (8, 8876000), (10, 7100800), (14, 5072000), (16, 4438000), (20, 3550400), (25, 2840320), (28, 2536000), (32, 2219000), (35, 2028800), (40, 1775200), (50, 1420160), (56, 1268000), (64, 1109500), (70, 1014400), (80, 887600), (100, 710080), (112, 634000), (125, 568064), (128, 554750), (140, 507200), (160, 443800), (175, 405760), (200, 355040), (224, 317000), (250, 284032), (256, 277375), (280, 253600), (317, 224000), (320, 221900), (350, 202880), (400, 177520), (448, 158500), (500, 142016), (560, 126800), (634, 112000), (640, 110950), (700, 101440), (800, 88760), (875, 81152), (896, 79250), (1000, 71008), (1120, 63400), (1268, 56000), (1280, 55475), (1400, 50720), (1585, 44800), (1600, 44380), (1750, 40576), (1792, 39625), (2000, 35504), (2219, 32000), (2240, 31700), (2536, 28000), (2800, 25360), (3170, 22400), (3200, 22190), (3500, 20288), (4000, 17752), (4438, 16000), (4480, 15850), (5072, 14000), (5600, 12680), (6340, 11200), (6400, 11095), (7000, 10144), (7925, 8960), (8000, 8876)]