199407890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{883}}^1\times {\mathrm{2053}}^1$

素因数の和:2954

約数の個数: 32

約数和(自身を含む): 392198976

約数和(自身を除く): 192791086

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 883, 1766, 2053, 4106, 4415, 8830, 9713, 10265, 19426, 20530, 22583, 45166, 48565, 97130, 112915, 225830, 1812799, 3625598, 9063995, 18127990, 19940789, 39881578, 99703945, 199407890]

約数ペア:

[(1, 199407890), (2, 99703945), (5, 39881578), (10, 19940789), (11, 18127990), (22, 9063995), (55, 3625598), (110, 1812799), (883, 225830), (1766, 112915), (2053, 97130), (4106, 48565), (4415, 45166), (8830, 22583), (9713, 20530), (10265, 19426)]