203827720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{599}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 471744000

約数和(自身を除く): 267916280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 181, 188, 235, 362, 376, 470, 599, 724, 905, 940, 1198, 1448, 1810, 1880, 2396, 2995, 3620, 4792, 5990, 7240, 8507, 11980, 17014, 23960, 28153, 34028, 42535, 56306, 68056, 85070, 108419, 112612, 140765, 170140, 216838, 225224, 281530, 340280, 433676, 542095, 563060, 867352, 1084190, 1126120, 2168380, 4336760, 5095693, 10191386, 20382772, 25478465, 40765544, 50956930, 101913860, 203827720]

約数ペア:

[(1, 203827720), (2, 101913860), (4, 50956930), (5, 40765544), (8, 25478465), (10, 20382772), (20, 10191386), (40, 5095693), (47, 4336760), (94, 2168380), (181, 1126120), (188, 1084190), (235, 867352), (362, 563060), (376, 542095), (470, 433676), (599, 340280), (724, 281530), (905, 225224), (940, 216838), (1198, 170140), (1448, 140765), (1810, 112612), (1880, 108419), (2396, 85070), (2995, 68056), (3620, 56306), (4792, 42535), (5990, 34028), (7240, 28153), (8507, 23960), (11980, 17014)]