61789700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{857}}^1$

素因数の和:981

約数の個数: 72

約数和(自身を含む): 154906752

約数和(自身を除く): 93117052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 140, 175, 206, 350, 412, 515, 700, 721, 857, 1030, 1442, 1714, 2060, 2575, 2884, 3428, 3605, 4285, 5150, 5999, 7210, 8570, 10300, 11998, 14420, 17140, 18025, 21425, 23996, 29995, 36050, 42850, 59990, 72100, 85700, 88271, 119980, 149975, 176542, 299950, 353084, 441355, 599900, 617897, 882710, 1235794, 1765420, 2206775, 2471588, 3089485, 4413550, 6178970, 8827100, 12357940, 15447425, 30894850, 61789700]

約数ペア:

[(1, 61789700), (2, 30894850), (4, 15447425), (5, 12357940), (7, 8827100), (10, 6178970), (14, 4413550), (20, 3089485), (25, 2471588), (28, 2206775), (35, 1765420), (50, 1235794), (70, 882710), (100, 617897), (103, 599900), (140, 441355), (175, 353084), (206, 299950), (350, 176542), (412, 149975), (515, 119980), (700, 88271), (721, 85700), (857, 72100), (1030, 59990), (1442, 42850), (1714, 36050), (2060, 29995), (2575, 23996), (2884, 21425), (3428, 18025), (3605, 17140), (4285, 14420), (5150, 11998), (5999, 10300), (7210, 8570)]