203612420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{10399}}^1$

素因数の和:10508

約数の個数: 48

約数和(自身を含む): 471744000

約数和(自身を除く): 268131580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 3916, 4895, 9790, 10399, 19580, 20798, 41596, 51995, 103990, 114389, 207980, 228778, 457556, 571945, 925511, 1143890, 1851022, 2287780, 3702044, 4627555, 9255110, 10180621, 18510220, 20361242, 40722484, 50903105, 101806210, 203612420]

約数ペア:

[(1, 203612420), (2, 101806210), (4, 50903105), (5, 40722484), (10, 20361242), (11, 18510220), (20, 10180621), (22, 9255110), (44, 4627555), (55, 3702044), (89, 2287780), (110, 1851022), (178, 1143890), (220, 925511), (356, 571945), (445, 457556), (890, 228778), (979, 207980), (1780, 114389), (1958, 103990), (3916, 51995), (4895, 41596), (9790, 20798), (10399, 19580)]