201531110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 409204224

約数和(自身を除く): 207673114

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 137, 215, 274, 311, 430, 473, 622, 685, 946, 1370, 1507, 1555, 2365, 3014, 3110, 3421, 4730, 5891, 6842, 7535, 11782, 13373, 15070, 17105, 26746, 29455, 34210, 42607, 58910, 64801, 66865, 85214, 129602, 133730, 147103, 213035, 294206, 324005, 426070, 468677, 648010, 735515, 937354, 1471030, 1832101, 2343385, 3664202, 4686770, 9160505, 18321010, 20153111, 40306222, 100765555, 201531110]

約数ペア:

[(1, 201531110), (2, 100765555), (5, 40306222), (10, 20153111), (11, 18321010), (22, 9160505), (43, 4686770), (55, 3664202), (86, 2343385), (110, 1832101), (137, 1471030), (215, 937354), (274, 735515), (311, 648010), (430, 468677), (473, 426070), (622, 324005), (685, 294206), (946, 213035), (1370, 147103), (1507, 133730), (1555, 129602), (2365, 85214), (3014, 66865), (3110, 64801), (3421, 58910), (4730, 42607), (5891, 34210), (6842, 29455), (7535, 26746), (11782, 17105), (13373, 15070)]