18770294900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{55061}}^1$

素因数の和:55569

約数の個数: 72

約数和(自身を含む): 46646764416

約数和(自身を除く): 27876469516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 487, 700, 974, 1948, 2435, 3409, 4870, 6818, 9740, 12175, 13636, 17045, 24350, 34090, 48700, 55061, 68180, 85225, 110122, 170450, 220244, 275305, 340900, 385427, 550610, 770854, 1101220, 1376525, 1541708, 1927135, 2753050, 3854270, 5506100, 7708540, 9635675, 19271350, 26814707, 38542700, 53629414, 107258828, 134073535, 187702949, 268147070, 375405898, 536294140, 670367675, 750811796, 938514745, 1340735350, 1877029490, 2681470700, 3754058980, 4692573725, 9385147450, 18770294900]

約数ペア:

[(1, 18770294900), (2, 9385147450), (4, 4692573725), (5, 3754058980), (7, 2681470700), (10, 1877029490), (14, 1340735350), (20, 938514745), (25, 750811796), (28, 670367675), (35, 536294140), (50, 375405898), (70, 268147070), (100, 187702949), (140, 134073535), (175, 107258828), (350, 53629414), (487, 38542700), (700, 26814707), (974, 19271350), (1948, 9635675), (2435, 7708540), (3409, 5506100), (4870, 3854270), (6818, 2753050), (9740, 1927135), (12175, 1541708), (13636, 1376525), (17045, 1101220), (24350, 770854), (34090, 550610), (48700, 385427), (55061, 340900), (68180, 275305), (85225, 220244), (110122, 170450)]