17299940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 25600540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 139, 140, 196, 245, 254, 278, 490, 508, 556, 635, 695, 889, 973, 980, 1270, 1390, 1778, 1946, 2540, 2780, 3556, 3892, 4445, 4865, 6223, 6811, 8890, 9730, 12446, 13622, 17653, 17780, 19460, 24892, 27244, 31115, 34055, 35306, 62230, 68110, 70612, 88265, 123571, 124460, 136220, 176530, 247142, 353060, 494284, 617855, 864997, 1235710, 1729994, 2471420, 3459988, 4324985, 8649970, 17299940]

約数ペア:

[(1, 17299940), (2, 8649970), (4, 4324985), (5, 3459988), (7, 2471420), (10, 1729994), (14, 1235710), (20, 864997), (28, 617855), (35, 494284), (49, 353060), (70, 247142), (98, 176530), (127, 136220), (139, 124460), (140, 123571), (196, 88265), (245, 70612), (254, 68110), (278, 62230), (490, 35306), (508, 34055), (556, 31115), (635, 27244), (695, 24892), (889, 19460), (973, 17780), (980, 17653), (1270, 13622), (1390, 12446), (1778, 9730), (1946, 8890), (2540, 6811), (2780, 6223), (3556, 4865), (3892, 4445)]