201770205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2789}}^1$

素因数の和:2870

約数の個数: 64

約数和(自身を含む): 404974080

約数和(自身を除く): 203203875

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 53, 65, 91, 105, 159, 195, 265, 273, 371, 455, 689, 795, 1113, 1365, 1855, 2067, 2789, 3445, 4823, 5565, 8367, 10335, 13945, 14469, 19523, 24115, 36257, 41835, 58569, 72345, 97615, 108771, 147817, 181285, 253799, 292845, 443451, 543855, 739085, 761397, 1034719, 1268995, 1921621, 2217255, 3104157, 3806985, 5173595, 5764863, 9608105, 13451347, 15520785, 28824315, 40354041, 67256735, 201770205]

約数ペア:

[(1, 201770205), (3, 67256735), (5, 40354041), (7, 28824315), (13, 15520785), (15, 13451347), (21, 9608105), (35, 5764863), (39, 5173595), (53, 3806985), (65, 3104157), (91, 2217255), (105, 1921621), (159, 1268995), (195, 1034719), (265, 761397), (273, 739085), (371, 543855), (455, 443451), (689, 292845), (795, 253799), (1113, 181285), (1365, 147817), (1855, 108771), (2067, 97615), (2789, 72345), (3445, 58569), (4823, 41835), (5565, 36257), (8367, 24115), (10335, 19523), (13945, 14469)]