30114980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{857}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 72648576

約数和(自身を除く): 42533596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 857, 1004, 1255, 1714, 1757, 2510, 3428, 3514, 4285, 5020, 5999, 7028, 8570, 8785, 11998, 17140, 17570, 23996, 29995, 35140, 59990, 119980, 215107, 430214, 860428, 1075535, 1505749, 2151070, 3011498, 4302140, 6022996, 7528745, 15057490, 30114980]

約数ペア:

[(1, 30114980), (2, 15057490), (4, 7528745), (5, 6022996), (7, 4302140), (10, 3011498), (14, 2151070), (20, 1505749), (28, 1075535), (35, 860428), (70, 430214), (140, 215107), (251, 119980), (502, 59990), (857, 35140), (1004, 29995), (1255, 23996), (1714, 17570), (1757, 17140), (2510, 11998), (3428, 8785), (3514, 8570), (4285, 7028), (5020, 5999)]