64291220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{459223}}^1$

素因数の和:459239

約数の個数: 24

約数和(自身を含む): 154299264

約数和(自身を除く): 90008044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 459223, 918446, 1836892, 2296115, 3214561, 4592230, 6429122, 9184460, 12858244, 16072805, 32145610, 64291220]

約数ペア:

[(1, 64291220), (2, 32145610), (4, 16072805), (5, 12858244), (7, 9184460), (10, 6429122), (14, 4592230), (20, 3214561), (28, 2296115), (35, 1836892), (70, 918446), (140, 459223)]