66920000

素因数分解:

$2^6\times 5^4\times 7^1\times {\mathrm{239}}^1$

素因数の和:278

約数の個数: 140

約数和(自身を含む): 190439040

約数和(自身を除く): 123519040

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, 140, 160, 175, 200, 224, 239, 250, 280, 320, 350, 400, 448, 478, 500, 560, 625, 700, 800, 875, 956, 1000, 1120, 1195, 1250, 1400, 1600, 1673, 1750, 1912, 2000, 2240, 2390, 2500, 2800, 3346, 3500, 3824, 4000, 4375, 4780, 5000, 5600, 5975, 6692, 7000, 7648, 8000, 8365, 8750, 9560, 10000, 11200, 11950, 13384, 14000, 15296, 16730, 17500, 19120, 20000, 23900, 26768, 28000, 29875, 33460, 35000, 38240, 40000, 41825, 47800, 53536, 56000, 59750, 66920, 70000, 76480, 83650, 95600, 107072, 119500, 133840, 140000, 149375, 167300, 191200, 209125, 239000, 267680, 280000, 298750, 334600, 382400, 418250, 478000, 535360, 597500, 669200, 836500, 956000, 1045625, 1195000, 1338400, 1673000, 1912000, 2091250, 2390000, 2676800, 3346000, 4182500, 4780000, 6692000, 8365000, 9560000, 13384000, 16730000, 33460000, 66920000]

約数ペア:

[(1, 66920000), (2, 33460000), (4, 16730000), (5, 13384000), (7, 9560000), (8, 8365000), (10, 6692000), (14, 4780000), (16, 4182500), (20, 3346000), (25, 2676800), (28, 2390000), (32, 2091250), (35, 1912000), (40, 1673000), (50, 1338400), (56, 1195000), (64, 1045625), (70, 956000), (80, 836500), (100, 669200), (112, 597500), (125, 535360), (140, 478000), (160, 418250), (175, 382400), (200, 334600), (224, 298750), (239, 280000), (250, 267680), (280, 239000), (320, 209125), (350, 191200), (400, 167300), (448, 149375), (478, 140000), (500, 133840), (560, 119500), (625, 107072), (700, 95600), (800, 83650), (875, 76480), (956, 70000), (1000, 66920), (1120, 59750), (1195, 56000), (1250, 53536), (1400, 47800), (1600, 41825), (1673, 40000), (1750, 38240), (1912, 35000), (2000, 33460), (2240, 29875), (2390, 28000), (2500, 26768), (2800, 23900), (3346, 20000), (3500, 19120), (3824, 17500), (4000, 16730), (4375, 15296), (4780, 14000), (5000, 13384), (5600, 11950), (5975, 11200), (6692, 10000), (7000, 9560), (7648, 8750), (8000, 8365)]