17549980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1871}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 42771456

約数和(自身を除く): 25221476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1871, 1876, 2345, 3742, 4690, 7484, 9355, 9380, 13097, 18710, 26194, 37420, 52388, 65485, 125357, 130970, 250714, 261940, 501428, 626785, 877499, 1253570, 1754998, 2507140, 3509996, 4387495, 8774990, 17549980]

約数ペア:

[(1, 17549980), (2, 8774990), (4, 4387495), (5, 3509996), (7, 2507140), (10, 1754998), (14, 1253570), (20, 877499), (28, 626785), (35, 501428), (67, 261940), (70, 250714), (134, 130970), (140, 125357), (268, 65485), (335, 52388), (469, 37420), (670, 26194), (938, 18710), (1340, 13097), (1871, 9380), (1876, 9355), (2345, 7484), (3742, 4690)]