28530880

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 112

約数和(自身を含む): 79589376

約数和(自身を除く): 51058496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 140, 160, 188, 224, 235, 271, 280, 320, 329, 376, 448, 470, 542, 560, 658, 752, 940, 1084, 1120, 1316, 1355, 1504, 1645, 1880, 1897, 2168, 2240, 2632, 2710, 3008, 3290, 3760, 3794, 4336, 5264, 5420, 6580, 7520, 7588, 8672, 9485, 10528, 10840, 12737, 13160, 15040, 15176, 17344, 18970, 21056, 21680, 25474, 26320, 30352, 37940, 43360, 50948, 52640, 60704, 63685, 75880, 86720, 89159, 101896, 105280, 121408, 127370, 151760, 178318, 203792, 254740, 303520, 356636, 407584, 445795, 509480, 607040, 713272, 815168, 891590, 1018960, 1426544, 1783180, 2037920, 2853088, 3566360, 4075840, 5706176, 7132720, 14265440, 28530880]

約数ペア:

[(1, 28530880), (2, 14265440), (4, 7132720), (5, 5706176), (7, 4075840), (8, 3566360), (10, 2853088), (14, 2037920), (16, 1783180), (20, 1426544), (28, 1018960), (32, 891590), (35, 815168), (40, 713272), (47, 607040), (56, 509480), (64, 445795), (70, 407584), (80, 356636), (94, 303520), (112, 254740), (140, 203792), (160, 178318), (188, 151760), (224, 127370), (235, 121408), (271, 105280), (280, 101896), (320, 89159), (329, 86720), (376, 75880), (448, 63685), (470, 60704), (542, 52640), (560, 50948), (658, 43360), (752, 37940), (940, 30352), (1084, 26320), (1120, 25474), (1316, 21680), (1355, 21056), (1504, 18970), (1645, 17344), (1880, 15176), (1897, 15040), (2168, 13160), (2240, 12737), (2632, 10840), (2710, 10528), (3008, 9485), (3290, 8672), (3760, 7588), (3794, 7520), (4336, 6580), (5264, 5420)]