1245015940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{34603}}^1$

素因数の和:34876

約数の個数: 48

約数和(自身を含む): 2999751552

約数和(自身を除く): 1754735612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 1028, 1285, 1799, 2570, 3598, 5140, 7196, 8995, 17990, 34603, 35980, 69206, 138412, 173015, 242221, 346030, 484442, 692060, 968884, 1211105, 2422210, 4844420, 8892971, 17785942, 35571884, 44464855, 62250797, 88929710, 124501594, 177859420, 249003188, 311253985, 622507970, 1245015940]

約数ペア:

[(1, 1245015940), (2, 622507970), (4, 311253985), (5, 249003188), (7, 177859420), (10, 124501594), (14, 88929710), (20, 62250797), (28, 44464855), (35, 35571884), (70, 17785942), (140, 8892971), (257, 4844420), (514, 2422210), (1028, 1211105), (1285, 968884), (1799, 692060), (2570, 484442), (3598, 346030), (5140, 242221), (7196, 173015), (8995, 138412), (17990, 69206), (34603, 35980)]