231247720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{4651}}^1$

素因数の和:4786

約数の個数: 64

約数和(自身を含む): 572754240

約数和(自身を除く): 341506520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 113, 220, 226, 440, 452, 565, 904, 1130, 1243, 2260, 2486, 4520, 4651, 4972, 6215, 9302, 9944, 12430, 18604, 23255, 24860, 37208, 46510, 49720, 51161, 93020, 102322, 186040, 204644, 255805, 409288, 511610, 525563, 1023220, 1051126, 2046440, 2102252, 2627815, 4204504, 5255630, 5781193, 10511260, 11562386, 21022520, 23124772, 28905965, 46249544, 57811930, 115623860, 231247720]

約数ペア:

[(1, 231247720), (2, 115623860), (4, 57811930), (5, 46249544), (8, 28905965), (10, 23124772), (11, 21022520), (20, 11562386), (22, 10511260), (40, 5781193), (44, 5255630), (55, 4204504), (88, 2627815), (110, 2102252), (113, 2046440), (220, 1051126), (226, 1023220), (440, 525563), (452, 511610), (565, 409288), (904, 255805), (1130, 204644), (1243, 186040), (2260, 102322), (2486, 93020), (4520, 51161), (4651, 49720), (4972, 46510), (6215, 37208), (9302, 24860), (9944, 23255), (12430, 18604)]