28018760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{827}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 79289280

約数和(自身を除く): 51270520

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 121, 140, 154, 220, 242, 280, 308, 385, 440, 484, 605, 616, 770, 827, 847, 968, 1210, 1540, 1654, 1694, 2420, 3080, 3308, 3388, 4135, 4235, 4840, 5789, 6616, 6776, 8270, 8470, 9097, 11578, 16540, 16940, 18194, 23156, 28945, 33080, 33880, 36388, 45485, 46312, 57890, 63679, 72776, 90970, 100067, 115780, 127358, 181940, 200134, 231560, 254716, 318395, 363880, 400268, 500335, 509432, 636790, 700469, 800536, 1000670, 1273580, 1400938, 2001340, 2547160, 2801876, 3502345, 4002680, 5603752, 7004690, 14009380, 28018760]

約数ペア:

[(1, 28018760), (2, 14009380), (4, 7004690), (5, 5603752), (7, 4002680), (8, 3502345), (10, 2801876), (11, 2547160), (14, 2001340), (20, 1400938), (22, 1273580), (28, 1000670), (35, 800536), (40, 700469), (44, 636790), (55, 509432), (56, 500335), (70, 400268), (77, 363880), (88, 318395), (110, 254716), (121, 231560), (140, 200134), (154, 181940), (220, 127358), (242, 115780), (280, 100067), (308, 90970), (385, 72776), (440, 63679), (484, 57890), (605, 46312), (616, 45485), (770, 36388), (827, 33880), (847, 33080), (968, 28945), (1210, 23156), (1540, 18194), (1654, 16940), (1694, 16540), (2420, 11578), (3080, 9097), (3308, 8470), (3388, 8270), (4135, 6776), (4235, 6616), (4840, 5789)]