223878520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1087}}^1$

素因数の和:1388

約数の個数: 64

約数和(自身を含む): 532684800

約数和(自身を除く): 308806280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 271, 380, 542, 760, 1084, 1087, 1355, 2168, 2174, 2710, 4348, 5149, 5420, 5435, 8696, 10298, 10840, 10870, 20596, 20653, 21740, 25745, 41192, 41306, 43480, 51490, 82612, 102980, 103265, 165224, 205960, 206530, 294577, 413060, 589154, 826120, 1178308, 1472885, 2356616, 2945770, 5596963, 5891540, 11193926, 11783080, 22387852, 27984815, 44775704, 55969630, 111939260, 223878520]

約数ペア:

[(1, 223878520), (2, 111939260), (4, 55969630), (5, 44775704), (8, 27984815), (10, 22387852), (19, 11783080), (20, 11193926), (38, 5891540), (40, 5596963), (76, 2945770), (95, 2356616), (152, 1472885), (190, 1178308), (271, 826120), (380, 589154), (542, 413060), (760, 294577), (1084, 206530), (1087, 205960), (1355, 165224), (2168, 103265), (2174, 102980), (2710, 82612), (4348, 51490), (5149, 43480), (5420, 41306), (5435, 41192), (8696, 25745), (10298, 21740), (10840, 20653), (10870, 20596)]