51231460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{857}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 127351224

約数和(自身を除く): 76119764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 857, 980, 1220, 1708, 1714, 2135, 2989, 3428, 4270, 4285, 5978, 5999, 8540, 8570, 11956, 11998, 14945, 17140, 23996, 29890, 29995, 41993, 52277, 59780, 59990, 83986, 104554, 119980, 167972, 209108, 209965, 261385, 365939, 419930, 522770, 731878, 839860, 1045540, 1463756, 1829695, 2561573, 3659390, 5123146, 7318780, 10246292, 12807865, 25615730, 51231460]

約数ペア:

[(1, 51231460), (2, 25615730), (4, 12807865), (5, 10246292), (7, 7318780), (10, 5123146), (14, 3659390), (20, 2561573), (28, 1829695), (35, 1463756), (49, 1045540), (61, 839860), (70, 731878), (98, 522770), (122, 419930), (140, 365939), (196, 261385), (244, 209965), (245, 209108), (305, 167972), (427, 119980), (490, 104554), (610, 83986), (854, 59990), (857, 59780), (980, 52277), (1220, 41993), (1708, 29995), (1714, 29890), (2135, 23996), (2989, 17140), (3428, 14945), (4270, 11998), (4285, 11956), (5978, 8570), (5999, 8540)]