28227990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7907}}^1$

素因数の和:7941

約数の個数: 64

約数和(自身を含む): 81990144

約数和(自身を除く): 53762154

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 70, 85, 102, 105, 119, 170, 210, 238, 255, 357, 510, 595, 714, 1190, 1785, 3570, 7907, 15814, 23721, 39535, 47442, 55349, 79070, 110698, 118605, 134419, 166047, 237210, 268838, 276745, 332094, 403257, 553490, 672095, 806514, 830235, 940933, 1344190, 1660470, 1881866, 2016285, 2822799, 4032570, 4704665, 5645598, 9409330, 14113995, 28227990]

約数ペア:

[(1, 28227990), (2, 14113995), (3, 9409330), (5, 5645598), (6, 4704665), (7, 4032570), (10, 2822799), (14, 2016285), (15, 1881866), (17, 1660470), (21, 1344190), (30, 940933), (34, 830235), (35, 806514), (42, 672095), (51, 553490), (70, 403257), (85, 332094), (102, 276745), (105, 268838), (119, 237210), (170, 166047), (210, 134419), (238, 118605), (255, 110698), (357, 79070), (510, 55349), (595, 47442), (714, 39535), (1190, 23721), (1785, 15814), (3570, 7907)]