51455800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1277

約数の個数: 96

約数和(自身を含む): 137491200

約数和(自身を除く): 86035400

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 25, 38, 40, 44, 50, 55, 76, 88, 95, 100, 110, 152, 190, 200, 209, 220, 275, 380, 418, 440, 475, 550, 760, 836, 950, 1045, 1100, 1231, 1672, 1900, 2090, 2200, 2462, 3800, 4180, 4924, 5225, 6155, 8360, 9848, 10450, 12310, 13541, 20900, 23389, 24620, 27082, 30775, 41800, 46778, 49240, 54164, 61550, 67705, 93556, 108328, 116945, 123100, 135410, 187112, 233890, 246200, 257279, 270820, 338525, 467780, 514558, 541640, 584725, 677050, 935560, 1029116, 1169450, 1286395, 1354100, 2058232, 2338900, 2572790, 2708200, 4677800, 5145580, 6431975, 10291160, 12863950, 25727900, 51455800]

約数ペア:

[(1, 51455800), (2, 25727900), (4, 12863950), (5, 10291160), (8, 6431975), (10, 5145580), (11, 4677800), (19, 2708200), (20, 2572790), (22, 2338900), (25, 2058232), (38, 1354100), (40, 1286395), (44, 1169450), (50, 1029116), (55, 935560), (76, 677050), (88, 584725), (95, 541640), (100, 514558), (110, 467780), (152, 338525), (190, 270820), (200, 257279), (209, 246200), (220, 233890), (275, 187112), (380, 135410), (418, 123100), (440, 116945), (475, 108328), (550, 93556), (760, 67705), (836, 61550), (950, 54164), (1045, 49240), (1100, 46778), (1231, 41800), (1672, 30775), (1900, 27082), (2090, 24620), (2200, 23389), (2462, 20900), (3800, 13541), (4180, 12310), (4924, 10450), (5225, 9848), (6155, 8360)]