309099950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{21391}}^1$

素因数の和:21437

約数の個数: 36

約数和(自身を含む): 610762992

約数和(自身を除く): 301663042

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 289, 425, 578, 850, 1445, 2890, 7225, 14450, 21391, 42782, 106955, 213910, 363647, 534775, 727294, 1069550, 1818235, 3636470, 6181999, 9091175, 12363998, 18182350, 30909995, 61819990, 154549975, 309099950]

約数ペア:

[(1, 309099950), (2, 154549975), (5, 61819990), (10, 30909995), (17, 18182350), (25, 12363998), (34, 9091175), (50, 6181999), (85, 3636470), (170, 1818235), (289, 1069550), (425, 727294), (578, 534775), (850, 363647), (1445, 213910), (2890, 106955), (7225, 42782), (14450, 21391)]