27790160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 69638400

約数和(自身を除く): 41848240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 389, 470, 752, 760, 778, 893, 940, 1520, 1556, 1786, 1880, 1945, 3112, 3572, 3760, 3890, 4465, 6224, 7144, 7391, 7780, 8930, 14288, 14782, 15560, 17860, 18283, 29564, 31120, 35720, 36566, 36955, 59128, 71440, 73132, 73910, 91415, 118256, 146264, 147820, 182830, 292528, 295640, 347377, 365660, 591280, 694754, 731320, 1389508, 1462640, 1736885, 2779016, 3473770, 5558032, 6947540, 13895080, 27790160]

約数ペア:

[(1, 27790160), (2, 13895080), (4, 6947540), (5, 5558032), (8, 3473770), (10, 2779016), (16, 1736885), (19, 1462640), (20, 1389508), (38, 731320), (40, 694754), (47, 591280), (76, 365660), (80, 347377), (94, 295640), (95, 292528), (152, 182830), (188, 147820), (190, 146264), (235, 118256), (304, 91415), (376, 73910), (380, 73132), (389, 71440), (470, 59128), (752, 36955), (760, 36566), (778, 35720), (893, 31120), (940, 29564), (1520, 18283), (1556, 17860), (1786, 15560), (1880, 14782), (1945, 14288), (3112, 8930), (3572, 7780), (3760, 7391), (3890, 7144), (4465, 6224)]