212714840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3221}}^1$

素因数の和:3372

約数の個数: 64

約数和(自身を含む): 519644160

約数和(自身を除く): 306929320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3221, 3302, 5080, 6442, 6604, 8255, 12884, 13208, 16105, 16510, 25768, 32210, 33020, 41873, 64420, 66040, 83746, 128840, 167492, 209365, 334984, 409067, 418730, 818134, 837460, 1636268, 1674920, 2045335, 3272536, 4090670, 5317871, 8181340, 10635742, 16362680, 21271484, 26589355, 42542968, 53178710, 106357420, 212714840]

約数ペア:

[(1, 212714840), (2, 106357420), (4, 53178710), (5, 42542968), (8, 26589355), (10, 21271484), (13, 16362680), (20, 10635742), (26, 8181340), (40, 5317871), (52, 4090670), (65, 3272536), (104, 2045335), (127, 1674920), (130, 1636268), (254, 837460), (260, 818134), (508, 418730), (520, 409067), (635, 334984), (1016, 209365), (1270, 167492), (1651, 128840), (2540, 83746), (3221, 66040), (3302, 64420), (5080, 41873), (6442, 33020), (6604, 32210), (8255, 25768), (12884, 16510), (13208, 16105)]