16680290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 36080640

約数和(自身を除く): 19400350

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 38, 46, 55, 95, 110, 115, 190, 209, 230, 253, 347, 418, 437, 506, 694, 874, 1045, 1265, 1735, 2090, 2185, 2530, 3470, 3817, 4370, 4807, 6593, 7634, 7981, 9614, 13186, 15962, 19085, 24035, 32965, 38170, 39905, 48070, 65930, 72523, 79810, 87791, 145046, 151639, 175582, 303278, 362615, 438955, 725230, 758195, 877910, 1516390, 1668029, 3336058, 8340145, 16680290]

約数ペア:

[(1, 16680290), (2, 8340145), (5, 3336058), (10, 1668029), (11, 1516390), (19, 877910), (22, 758195), (23, 725230), (38, 438955), (46, 362615), (55, 303278), (95, 175582), (110, 151639), (115, 145046), (190, 87791), (209, 79810), (230, 72523), (253, 65930), (347, 48070), (418, 39905), (437, 38170), (506, 32965), (694, 24035), (874, 19085), (1045, 15962), (1265, 13186), (1735, 9614), (2090, 7981), (2185, 7634), (2530, 6593), (3470, 4807), (3817, 4370)]