28303000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 75479040

約数和(自身を除く): 47176040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 31, 40, 44, 50, 55, 62, 83, 88, 100, 110, 124, 125, 155, 166, 200, 220, 248, 250, 275, 310, 332, 341, 415, 440, 500, 550, 620, 664, 682, 775, 830, 913, 1000, 1100, 1240, 1364, 1375, 1550, 1660, 1705, 1826, 2075, 2200, 2573, 2728, 2750, 3100, 3320, 3410, 3652, 3875, 4150, 4565, 5146, 5500, 6200, 6820, 7304, 7750, 8300, 8525, 9130, 10292, 10375, 11000, 12865, 13640, 15500, 16600, 17050, 18260, 20584, 20750, 22825, 25730, 28303, 31000, 34100, 36520, 41500, 42625, 45650, 51460, 56606, 64325, 68200, 83000, 85250, 91300, 102920, 113212, 114125, 128650, 141515, 170500, 182600, 226424, 228250, 257300, 283030, 321625, 341000, 456500, 514600, 566060, 643250, 707575, 913000, 1132120, 1286500, 1415150, 2573000, 2830300, 3537875, 5660600, 7075750, 14151500, 28303000]

約数ペア:

[(1, 28303000), (2, 14151500), (4, 7075750), (5, 5660600), (8, 3537875), (10, 2830300), (11, 2573000), (20, 1415150), (22, 1286500), (25, 1132120), (31, 913000), (40, 707575), (44, 643250), (50, 566060), (55, 514600), (62, 456500), (83, 341000), (88, 321625), (100, 283030), (110, 257300), (124, 228250), (125, 226424), (155, 182600), (166, 170500), (200, 141515), (220, 128650), (248, 114125), (250, 113212), (275, 102920), (310, 91300), (332, 85250), (341, 83000), (415, 68200), (440, 64325), (500, 56606), (550, 51460), (620, 45650), (664, 42625), (682, 41500), (775, 36520), (830, 34100), (913, 31000), (1000, 28303), (1100, 25730), (1240, 22825), (1364, 20750), (1375, 20584), (1550, 18260), (1660, 17050), (1705, 16600), (1826, 15500), (2075, 13640), (2200, 12865), (2573, 11000), (2728, 10375), (2750, 10292), (3100, 9130), (3320, 8525), (3410, 8300), (3652, 7750), (3875, 7304), (4150, 6820), (4565, 6200), (5146, 5500)]