28004480

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 192

約数和(自身を含む): 83721600

約数和(自身を除く): 55717120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 47, 49, 56, 64, 70, 76, 80, 94, 95, 98, 112, 128, 133, 140, 152, 160, 188, 190, 196, 224, 235, 245, 266, 280, 304, 320, 329, 376, 380, 392, 448, 470, 490, 532, 560, 608, 640, 658, 665, 752, 760, 784, 893, 896, 931, 940, 980, 1064, 1120, 1216, 1316, 1330, 1504, 1520, 1568, 1645, 1786, 1862, 1880, 1960, 2128, 2240, 2303, 2432, 2632, 2660, 3008, 3040, 3136, 3290, 3572, 3724, 3760, 3920, 4256, 4465, 4480, 4606, 4655, 5264, 5320, 6016, 6080, 6251, 6272, 6580, 7144, 7448, 7520, 7840, 8512, 8930, 9212, 9310, 10528, 10640, 11515, 12160, 12502, 13160, 14288, 14896, 15040, 15680, 17024, 17860, 18424, 18620, 21056, 21280, 23030, 25004, 26320, 28576, 29792, 30080, 31255, 31360, 35720, 36848, 37240, 42112, 42560, 43757, 46060, 50008, 52640, 57152, 59584, 62510, 71440, 73696, 74480, 85120, 87514, 92120, 100016, 105280, 114304, 119168, 125020, 142880, 147392, 148960, 175028, 184240, 200032, 210560, 218785, 250040, 285760, 294784, 297920, 350056, 368480, 400064, 437570, 500080, 571520, 595840, 700112, 736960, 800128, 875140, 1000160, 1400224, 1473920, 1750280, 2000320, 2800448, 3500560, 4000640, 5600896, 7001120, 14002240, 28004480]

約数ペア:

[(1, 28004480), (2, 14002240), (4, 7001120), (5, 5600896), (7, 4000640), (8, 3500560), (10, 2800448), (14, 2000320), (16, 1750280), (19, 1473920), (20, 1400224), (28, 1000160), (32, 875140), (35, 800128), (38, 736960), (40, 700112), (47, 595840), (49, 571520), (56, 500080), (64, 437570), (70, 400064), (76, 368480), (80, 350056), (94, 297920), (95, 294784), (98, 285760), (112, 250040), (128, 218785), (133, 210560), (140, 200032), (152, 184240), (160, 175028), (188, 148960), (190, 147392), (196, 142880), (224, 125020), (235, 119168), (245, 114304), (266, 105280), (280, 100016), (304, 92120), (320, 87514), (329, 85120), (376, 74480), (380, 73696), (392, 71440), (448, 62510), (470, 59584), (490, 57152), (532, 52640), (560, 50008), (608, 46060), (640, 43757), (658, 42560), (665, 42112), (752, 37240), (760, 36848), (784, 35720), (893, 31360), (896, 31255), (931, 30080), (940, 29792), (980, 28576), (1064, 26320), (1120, 25004), (1216, 23030), (1316, 21280), (1330, 21056), (1504, 18620), (1520, 18424), (1568, 17860), (1645, 17024), (1786, 15680), (1862, 15040), (1880, 14896), (1960, 14288), (2128, 13160), (2240, 12502), (2303, 12160), (2432, 11515), (2632, 10640), (2660, 10528), (3008, 9310), (3040, 9212), (3136, 8930), (3290, 8512), (3572, 7840), (3724, 7520), (3760, 7448), (3920, 7144), (4256, 6580), (4465, 6272), (4480, 6251), (4606, 6080), (4655, 6016), (5264, 5320)]