161577800

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{5897}}^1$

素因数の和:6050

約数の個数: 48

約数和(自身を含む): 378474660

約数和(自身を除く): 216896860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 1096, 1370, 2740, 3425, 5480, 5897, 6850, 11794, 13700, 23588, 27400, 29485, 47176, 58970, 117940, 147425, 235880, 294850, 589700, 807889, 1179400, 1615778, 3231556, 4039445, 6463112, 8078890, 16157780, 20197225, 32315560, 40394450, 80788900, 161577800]

約数ペア:

[(1, 161577800), (2, 80788900), (4, 40394450), (5, 32315560), (8, 20197225), (10, 16157780), (20, 8078890), (25, 6463112), (40, 4039445), (50, 3231556), (100, 1615778), (137, 1179400), (200, 807889), (274, 589700), (548, 294850), (685, 235880), (1096, 147425), (1370, 117940), (2740, 58970), (3425, 47176), (5480, 29485), (5897, 27400), (6850, 23588), (11794, 13700)]