64298420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{673}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 143691408

約数和(自身を除く): 79392988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 562, 673, 1124, 1346, 1405, 2692, 2810, 3365, 4777, 5620, 6730, 9554, 11441, 13460, 19108, 22882, 23885, 45764, 47770, 57205, 95540, 114410, 189113, 228820, 378226, 756452, 945565, 1891130, 3214921, 3782260, 6429842, 12859684, 16074605, 32149210, 64298420]

約数ペア:

[(1, 64298420), (2, 32149210), (4, 16074605), (5, 12859684), (10, 6429842), (17, 3782260), (20, 3214921), (34, 1891130), (68, 945565), (85, 756452), (170, 378226), (281, 228820), (340, 189113), (562, 114410), (673, 95540), (1124, 57205), (1346, 47770), (1405, 45764), (2692, 23885), (2810, 22882), (3365, 19108), (4777, 13460), (5620, 11441), (6730, 9554)]