251180890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1\times {\mathrm{1601}}^1$

素因数の和:2178

約数の個数: 32

約数和(自身を含む): 468873360

約数和(自身を除く): 217692470

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 541, 1082, 1601, 2705, 3202, 5410, 8005, 15689, 16010, 31378, 46429, 78445, 92858, 156890, 232145, 464290, 866141, 1732282, 4330705, 8661410, 25118089, 50236178, 125590445, 251180890]

約数ペア:

[(1, 251180890), (2, 125590445), (5, 50236178), (10, 25118089), (29, 8661410), (58, 4330705), (145, 1732282), (290, 866141), (541, 464290), (1082, 232145), (1601, 156890), (2705, 92858), (3202, 78445), (5410, 46429), (8005, 31378), (15689, 16010)]