217900410

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79817}}^1$

素因数の和:79847

約数の個数: 64

約数和(自身を含む): 643652352

約数和(自身を除く): 425751942

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 79817, 159634, 239451, 399085, 478902, 558719, 798170, 1037621, 1117438, 1197255, 1676157, 2075242, 2394510, 2793595, 3112863, 3352314, 5188105, 5587190, 6225726, 7263347, 8380785, 10376210, 14526694, 15564315, 16761570, 21790041, 31128630, 36316735, 43580082, 72633470, 108950205, 217900410]

約数ペア:

[(1, 217900410), (2, 108950205), (3, 72633470), (5, 43580082), (6, 36316735), (7, 31128630), (10, 21790041), (13, 16761570), (14, 15564315), (15, 14526694), (21, 10376210), (26, 8380785), (30, 7263347), (35, 6225726), (39, 5587190), (42, 5188105), (65, 3352314), (70, 3112863), (78, 2793595), (91, 2394510), (105, 2075242), (130, 1676157), (182, 1197255), (195, 1117438), (210, 1037621), (273, 798170), (390, 558719), (455, 478902), (546, 399085), (910, 239451), (1365, 159634), (2730, 79817)]