213288880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2999}}^1$

素因数の和:3146

約数の個数: 80

約数和(自身を含む): 571392000

約数和(自身を除く): 358103120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 2999, 3556, 4445, 5080, 5998, 7112, 8890, 10160, 11996, 14224, 14995, 17780, 20993, 23992, 29990, 35560, 41986, 47984, 59980, 71120, 83972, 104965, 119960, 167944, 209930, 239920, 335888, 380873, 419860, 761746, 839720, 1523492, 1679440, 1904365, 2666111, 3046984, 3808730, 5332222, 6093968, 7617460, 10664444, 13330555, 15234920, 21328888, 26661110, 30469840, 42657776, 53322220, 106644440, 213288880]

約数ペア:

[(1, 213288880), (2, 106644440), (4, 53322220), (5, 42657776), (7, 30469840), (8, 26661110), (10, 21328888), (14, 15234920), (16, 13330555), (20, 10664444), (28, 7617460), (35, 6093968), (40, 5332222), (56, 3808730), (70, 3046984), (80, 2666111), (112, 1904365), (127, 1679440), (140, 1523492), (254, 839720), (280, 761746), (508, 419860), (560, 380873), (635, 335888), (889, 239920), (1016, 209930), (1270, 167944), (1778, 119960), (2032, 104965), (2540, 83972), (2999, 71120), (3556, 59980), (4445, 47984), (5080, 41986), (5998, 35560), (7112, 29990), (8890, 23992), (10160, 20993), (11996, 17780), (14224, 14995)]