18195940000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{129971}}^1$

素因数の和:130008

約数の個数: 120

約数和(自身を含む): 51160098528

約数和(自身を除く): 32964158528

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, 500, 560, 625, 700, 800, 875, 1000, 1120, 1250, 1400, 1750, 2000, 2500, 2800, 3500, 4000, 4375, 5000, 5600, 7000, 8750, 10000, 14000, 17500, 20000, 28000, 35000, 70000, 129971, 140000, 259942, 519884, 649855, 909797, 1039768, 1299710, 1819594, 2079536, 2599420, 3249275, 3639188, 4159072, 4548985, 5198840, 6498550, 7278376, 9097970, 10397680, 12997100, 14556752, 16246375, 18195940, 20795360, 22744925, 25994200, 29113504, 32492750, 36391880, 45489850, 51988400, 64985500, 72783760, 81231875, 90979700, 103976800, 113724625, 129971000, 145567520, 162463750, 181959400, 227449250, 259942000, 324927500, 363918800, 454898500, 519884000, 568623125, 649855000, 727837600, 909797000, 1137246250, 1299710000, 1819594000, 2274492500, 2599420000, 3639188000, 4548985000, 9097970000, 18195940000]

約数ペア:

[(1, 18195940000), (2, 9097970000), (4, 4548985000), (5, 3639188000), (7, 2599420000), (8, 2274492500), (10, 1819594000), (14, 1299710000), (16, 1137246250), (20, 909797000), (25, 727837600), (28, 649855000), (32, 568623125), (35, 519884000), (40, 454898500), (50, 363918800), (56, 324927500), (70, 259942000), (80, 227449250), (100, 181959400), (112, 162463750), (125, 145567520), (140, 129971000), (160, 113724625), (175, 103976800), (200, 90979700), (224, 81231875), (250, 72783760), (280, 64985500), (350, 51988400), (400, 45489850), (500, 36391880), (560, 32492750), (625, 29113504), (700, 25994200), (800, 22744925), (875, 20795360), (1000, 18195940), (1120, 16246375), (1250, 14556752), (1400, 12997100), (1750, 10397680), (2000, 9097970), (2500, 7278376), (2800, 6498550), (3500, 5198840), (4000, 4548985), (4375, 4159072), (5000, 3639188), (5600, 3249275), (7000, 2599420), (8750, 2079536), (10000, 1819594), (14000, 1299710), (17500, 1039768), (20000, 909797), (28000, 649855), (35000, 519884), (70000, 259942), (129971, 140000)]