280672145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 371952000

約数和(自身を除く): 91279855

約数列:

[1, 5, 13, 59, 65, 163, 295, 449, 767, 815, 2119, 2245, 3835, 5837, 9617, 10595, 26491, 29185, 48085, 73187, 125021, 132455, 344383, 365935, 625105, 951431, 1721915, 4318033, 4757155, 21590165, 56134429, 280672145]

約数ペア:

[(1, 280672145), (5, 56134429), (13, 21590165), (59, 4757155), (65, 4318033), (163, 1721915), (295, 951431), (449, 625105), (767, 365935), (815, 344383), (2119, 132455), (2245, 125021), (3835, 73187), (5837, 48085), (9617, 29185), (10595, 26491)]