249271780

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{12757}}^1$

素因数の和:13743

約数の個数: 24

約数和(自身を含む): 524047608

約数和(自身を除く): 274775828

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 9770, 12757, 19540, 25514, 51028, 63785, 127570, 255140, 12463589, 24927178, 49854356, 62317945, 124635890, 249271780]

約数ペア:

[(1, 249271780), (2, 124635890), (4, 62317945), (5, 49854356), (10, 24927178), (20, 12463589), (977, 255140), (1954, 127570), (3908, 63785), (4885, 51028), (9770, 25514), (12757, 19540)]