30155972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 68257728

約数和(自身を除く): 38101756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 142, 154, 196, 197, 284, 308, 394, 497, 539, 781, 788, 994, 1078, 1379, 1562, 1988, 2156, 2167, 2758, 3124, 3479, 4334, 5467, 5516, 6958, 8668, 9653, 10934, 13916, 13987, 15169, 19306, 21868, 27974, 30338, 38269, 38612, 55948, 60676, 76538, 97909, 106183, 153076, 153857, 195818, 212366, 307714, 391636, 424732, 615428, 685363, 1076999, 1370726, 2153998, 2741452, 4307996, 7538993, 15077986, 30155972]

約数ペア:

[(1, 30155972), (2, 15077986), (4, 7538993), (7, 4307996), (11, 2741452), (14, 2153998), (22, 1370726), (28, 1076999), (44, 685363), (49, 615428), (71, 424732), (77, 391636), (98, 307714), (142, 212366), (154, 195818), (196, 153857), (197, 153076), (284, 106183), (308, 97909), (394, 76538), (497, 60676), (539, 55948), (781, 38612), (788, 38269), (994, 30338), (1078, 27974), (1379, 21868), (1562, 19306), (1988, 15169), (2156, 13987), (2167, 13916), (2758, 10934), (3124, 9653), (3479, 8668), (4334, 6958), (5467, 5516)]