28870200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:438

約数の個数: 144

約数和(自身を含む): 99476520

約数和(自身を除く): 70606320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 43, 45, 50, 60, 72, 75, 86, 90, 100, 120, 129, 150, 172, 180, 200, 215, 225, 258, 300, 344, 360, 373, 387, 430, 450, 516, 600, 645, 746, 774, 860, 900, 1032, 1075, 1119, 1290, 1492, 1548, 1720, 1800, 1865, 1935, 2150, 2238, 2580, 2984, 3096, 3225, 3357, 3730, 3870, 4300, 4476, 5160, 5595, 6450, 6714, 7460, 7740, 8600, 8952, 9325, 9675, 11190, 12900, 13428, 14920, 15480, 16039, 16785, 18650, 19350, 22380, 25800, 26856, 27975, 32078, 33570, 37300, 38700, 44760, 48117, 55950, 64156, 67140, 74600, 77400, 80195, 83925, 96234, 111900, 128312, 134280, 144351, 160390, 167850, 192468, 223800, 240585, 288702, 320780, 335700, 384936, 400975, 481170, 577404, 641560, 671400, 721755, 801950, 962340, 1154808, 1202925, 1443510, 1603900, 1924680, 2405850, 2887020, 3207800, 3608775, 4811700, 5774040, 7217550, 9623400, 14435100, 28870200]

約数ペア:

[(1, 28870200), (2, 14435100), (3, 9623400), (4, 7217550), (5, 5774040), (6, 4811700), (8, 3608775), (9, 3207800), (10, 2887020), (12, 2405850), (15, 1924680), (18, 1603900), (20, 1443510), (24, 1202925), (25, 1154808), (30, 962340), (36, 801950), (40, 721755), (43, 671400), (45, 641560), (50, 577404), (60, 481170), (72, 400975), (75, 384936), (86, 335700), (90, 320780), (100, 288702), (120, 240585), (129, 223800), (150, 192468), (172, 167850), (180, 160390), (200, 144351), (215, 134280), (225, 128312), (258, 111900), (300, 96234), (344, 83925), (360, 80195), (373, 77400), (387, 74600), (430, 67140), (450, 64156), (516, 55950), (600, 48117), (645, 44760), (746, 38700), (774, 37300), (860, 33570), (900, 32078), (1032, 27975), (1075, 26856), (1119, 25800), (1290, 22380), (1492, 19350), (1548, 18650), (1720, 16785), (1800, 16039), (1865, 15480), (1935, 14920), (2150, 13428), (2238, 12900), (2580, 11190), (2984, 9675), (3096, 9325), (3225, 8952), (3357, 8600), (3730, 7740), (3870, 7460), (4300, 6714), (4476, 6450), (5160, 5595)]