219846530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 433382400

約数和(自身を除く): 213535870

約数列:

[1, 2, 5, 10, 19, 38, 43, 71, 86, 95, 142, 190, 215, 355, 379, 430, 710, 758, 817, 1349, 1634, 1895, 2698, 3053, 3790, 4085, 6106, 6745, 7201, 8170, 13490, 14402, 15265, 16297, 26909, 30530, 32594, 36005, 53818, 58007, 72010, 81485, 116014, 134545, 162970, 269090, 290035, 309643, 511271, 580070, 619286, 1022542, 1157087, 1548215, 2314174, 2556355, 3096430, 5112710, 5785435, 11570870, 21984653, 43969306, 109923265, 219846530]

約数ペア:

[(1, 219846530), (2, 109923265), (5, 43969306), (10, 21984653), (19, 11570870), (38, 5785435), (43, 5112710), (71, 3096430), (86, 2556355), (95, 2314174), (142, 1548215), (190, 1157087), (215, 1022542), (355, 619286), (379, 580070), (430, 511271), (710, 309643), (758, 290035), (817, 269090), (1349, 162970), (1634, 134545), (1895, 116014), (2698, 81485), (3053, 72010), (3790, 58007), (4085, 53818), (6106, 36005), (6745, 32594), (7201, 30530), (8170, 26909), (13490, 16297), (14402, 15265)]