207869500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{21881}}^1$

素因数の和:21919

約数の個数: 48

約数和(自身を含む): 477902880

約数和(自身を除く): 270033380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1900, 2375, 4750, 9500, 21881, 43762, 87524, 109405, 218810, 415739, 437620, 547025, 831478, 1094050, 1662956, 2078695, 2188100, 2735125, 4157390, 5470250, 8314780, 10393475, 10940500, 20786950, 41573900, 51967375, 103934750, 207869500]

約数ペア:

[(1, 207869500), (2, 103934750), (4, 51967375), (5, 41573900), (10, 20786950), (19, 10940500), (20, 10393475), (25, 8314780), (38, 5470250), (50, 4157390), (76, 2735125), (95, 2188100), (100, 2078695), (125, 1662956), (190, 1094050), (250, 831478), (380, 547025), (475, 437620), (500, 415739), (950, 218810), (1900, 109405), (2375, 87524), (4750, 43762), (9500, 21881)]